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Finding the Fourth Proportional to 3,516.70, 4,852.68 and 1,944.70

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Solution

The fourth proportional to 3,516.70, 4,852.68 and 1,944.70 is: 2,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.70 : 4,852.68 = 1,944.70 : x
  2. Step 2: Convert to fraction form
    3,516.70/4,852.68 = 1,944.70/x
  3. Step 3: Cross multiply
    3,516.70x = 4,852.68 × 1,944.70
  4. Step 4: Simplify right side
    3,516.70x = 9,437,006.80
  5. Step 5: Solve for x
    x = 9,437,006.80/3,516.70
  6. Step 6: Final answer
    x = 2,683.48

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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.