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Finding the Fourth Proportional to 14,761,812.70, 22,142,719.05 and 9,063,559.90

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Solution

The fourth proportional to 14,761,812.70, 22,142,719.05 and 9,063,559.90 is: 13,595,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,812.70 : 22,142,719.05 = 9,063,559.90 : x
  2. Step 2: Convert to fraction form
    14,761,812.70/22,142,719.05 = 9,063,559.90/x
  3. Step 3: Cross multiply
    14,761,812.70x = 22,142,719.05 × 9,063,559.90
  4. Step 4: Simplify right side
    14,761,812.70x = 200,691,860,458,546.12
  5. Step 5: Solve for x
    x = 200,691,860,458,546.12/14,761,812.70
  6. Step 6: Final answer
    x = 13,595,339.85

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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.