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Finding the Fourth Proportional to 40,066.52, 60,101.02 and 13,770.90

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Solution

The fourth proportional to 40,066.52, 60,101.02 and 13,770.90 is: 20,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.52 : 60,101.02 = 13,770.90 : x
  2. Step 2: Convert to fraction form
    40,066.52/60,101.02 = 13,770.90/x
  3. Step 3: Cross multiply
    40,066.52x = 60,101.02 × 13,770.90
  4. Step 4: Simplify right side
    40,066.52x = 827,645,136.32
  5. Step 5: Solve for x
    x = 827,645,136.32/40,066.52
  6. Step 6: Final answer
    x = 20,656.78

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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.