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Finding the Fourth Proportional to 3,517.06, 4,853.86 and 1,945.46

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Solution

The fourth proportional to 3,517.06, 4,853.86 and 1,945.46 is: 2,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.06 : 4,853.86 = 1,945.46 : x
  2. Step 2: Convert to fraction form
    3,517.06/4,853.86 = 1,945.46/x
  3. Step 3: Cross multiply
    3,517.06x = 4,853.86 × 1,945.46
  4. Step 4: Simplify right side
    3,517.06x = 9,442,990.48
  5. Step 5: Solve for x
    x = 9,442,990.48/3,517.06
  6. Step 6: Final answer
    x = 2,684.91

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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.