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Finding the Fourth Proportional to 57,487.68, 86,231.52 and 24,206.40

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Solution

The fourth proportional to 57,487.68, 86,231.52 and 24,206.40 is: 36,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487.68 : 86,231.52 = 24,206.40 : x
  2. Step 2: Convert to fraction form
    57,487.68/86,231.52 = 24,206.40/x
  3. Step 3: Cross multiply
    57,487.68x = 86,231.52 × 24,206.40
  4. Step 4: Simplify right side
    57,487.68x = 2,087,354,665.73
  5. Step 5: Solve for x
    x = 2,087,354,665.73/57,487.68
  6. Step 6: Final answer
    x = 36,309.60

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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.