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Finding the Fourth Proportional to 9,168,487.74, 13,755,481.56 and 3,700,769.04

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Solution

The fourth proportional to 9,168,487.74, 13,755,481.56 and 3,700,769.04 is: 5,552,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,487.74 : 13,755,481.56 = 3,700,769.04 : x
  2. Step 2: Convert to fraction form
    9,168,487.74/13,755,481.56 = 3,700,769.04/x
  3. Step 3: Cross multiply
    9,168,487.74x = 13,755,481.56 × 3,700,769.04
  4. Step 4: Simplify right side
    9,168,487.74x = 50,905,860,287,538.91
  5. Step 5: Solve for x
    x = 50,905,860,287,538.91/9,168,487.74
  6. Step 6: Final answer
    x = 5,552,263.55

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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.