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Finding the Fourth Proportional to 15,159.43, 22,697.22 and 7,747.93

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Solution

The fourth proportional to 15,159.43, 22,697.22 and 7,747.93 is: 11,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.43 : 22,697.22 = 7,747.93 : x
  2. Step 2: Convert to fraction form
    15,159.43/22,697.22 = 7,747.93/x
  3. Step 3: Cross multiply
    15,159.43x = 22,697.22 × 7,747.93
  4. Step 4: Simplify right side
    15,159.43x = 175,856,471.75
  5. Step 5: Solve for x
    x = 175,856,471.75/15,159.43
  6. Step 6: Final answer
    x = 11,600.47

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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.