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Finding the Fourth Proportional to 40,469.62, 60,705.62 and 10,887.47

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Solution

The fourth proportional to 40,469.62, 60,705.62 and 10,887.47 is: 16,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469.62 : 60,705.62 = 10,887.47 : x
  2. Step 2: Convert to fraction form
    40,469.62/60,705.62 = 10,887.47/x
  3. Step 3: Cross multiply
    40,469.62x = 60,705.62 × 10,887.47
  4. Step 4: Simplify right side
    40,469.62x = 660,930,616.58
  5. Step 5: Solve for x
    x = 660,930,616.58/40,469.62
  6. Step 6: Final answer
    x = 16,331.53

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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.