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Finding the Fourth Proportional to 3,516.76, 4,852.94 and 1,944.76

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Solution

The fourth proportional to 3,516.76, 4,852.94 and 1,944.76 is: 2,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.76 : 4,852.94 = 1,944.76 : x
  2. Step 2: Convert to fraction form
    3,516.76/4,852.94 = 1,944.76/x
  3. Step 3: Cross multiply
    3,516.76x = 4,852.94 × 1,944.76
  4. Step 4: Simplify right side
    3,516.76x = 9,437,803.59
  5. Step 5: Solve for x
    x = 9,437,803.59/3,516.76
  6. Step 6: Final answer
    x = 2,683.66

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Find fourth proportional to 1,758.38, 2,426.47 and 972.38
Half scale
Find fourth proportional to 7,033.52, 9,705.88 and 3,889.52
Double scale
Find fourth proportional to 3,517.76, 4,854.32 and 1,945.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.