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Finding the Fourth Proportional to 7,481.68, 10,324.16 and 4,337.28

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Solution

The fourth proportional to 7,481.68, 10,324.16 and 4,337.28 is: 5,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.68 : 10,324.16 = 4,337.28 : x
  2. Step 2: Convert to fraction form
    7,481.68/10,324.16 = 4,337.28/x
  3. Step 3: Cross multiply
    7,481.68x = 10,324.16 × 4,337.28
  4. Step 4: Simplify right side
    7,481.68x = 44,778,772.68
  5. Step 5: Solve for x
    x = 44,778,772.68/7,481.68
  6. Step 6: Final answer
    x = 5,985.12

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