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Finding the Fourth Proportional to 40,211.20, 60,201.60 and 24,659.20

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Solution

The fourth proportional to 40,211.20, 60,201.60 and 24,659.20 is: 36,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.20 : 60,201.60 = 24,659.20 : x
  2. Step 2: Convert to fraction form
    40,211.20/60,201.60 = 24,659.20/x
  3. Step 3: Cross multiply
    40,211.20x = 60,201.60 × 24,659.20
  4. Step 4: Simplify right side
    40,211.20x = 1,484,523,294.72
  5. Step 5: Solve for x
    x = 1,484,523,294.72/40,211.20
  6. Step 6: Final answer
    x = 36,918.15

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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.