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Finding the Fourth Proportional to 59,862.10, 89,793.15 and 20,409.70

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Solution

The fourth proportional to 59,862.10, 89,793.15 and 20,409.70 is: 30,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,862.10 : 89,793.15 = 20,409.70 : x
  2. Step 2: Convert to fraction form
    59,862.10/89,793.15 = 20,409.70/x
  3. Step 3: Cross multiply
    59,862.10x = 89,793.15 × 20,409.70
  4. Step 4: Simplify right side
    59,862.10x = 1,832,651,253.56
  5. Step 5: Solve for x
    x = 1,832,651,253.56/59,862.10
  6. Step 6: Final answer
    x = 30,614.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.