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Finding the Fourth Proportional to 9,957.24, 13,741.90 and 5,481.90

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Solution

The fourth proportional to 9,957.24, 13,741.90 and 5,481.90 is: 7,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.24 : 13,741.90 = 5,481.90 : x
  2. Step 2: Convert to fraction form
    9,957.24/13,741.90 = 5,481.90/x
  3. Step 3: Cross multiply
    9,957.24x = 13,741.90 × 5,481.90
  4. Step 4: Simplify right side
    9,957.24x = 75,331,721.61
  5. Step 5: Solve for x
    x = 75,331,721.61/9,957.24
  6. Step 6: Final answer
    x = 7,565.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.