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Finding the Fourth Proportional to 7,337.72, 11,007.72 and 2,657.24

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Solution

The fourth proportional to 7,337.72, 11,007.72 and 2,657.24 is: 3,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.72 : 11,007.72 = 2,657.24 : x
  2. Step 2: Convert to fraction form
    7,337.72/11,007.72 = 2,657.24/x
  3. Step 3: Cross multiply
    7,337.72x = 11,007.72 × 2,657.24
  4. Step 4: Simplify right side
    7,337.72x = 29,250,098.85
  5. Step 5: Solve for x
    x = 29,250,098.85/7,337.72
  6. Step 6: Final answer
    x = 3,986.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.