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Finding the Fourth Proportional to 39,487.80, 59,210.10 and 16,087.80

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Solution

The fourth proportional to 39,487.80, 59,210.10 and 16,087.80 is: 24,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.80 : 59,210.10 = 16,087.80 : x
  2. Step 2: Convert to fraction form
    39,487.80/59,210.10 = 16,087.80/x
  3. Step 3: Cross multiply
    39,487.80x = 59,210.10 × 16,087.80
  4. Step 4: Simplify right side
    39,487.80x = 952,560,246.78
  5. Step 5: Solve for x
    x = 952,560,246.78/39,487.80
  6. Step 6: Final answer
    x = 24,122.90

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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.