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Finding the Fourth Proportional to 7,516.92, 10,372.14 and 4,720.44

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Solution

The fourth proportional to 7,516.92, 10,372.14 and 4,720.44 is: 6,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.92 : 10,372.14 = 4,720.44 : x
  2. Step 2: Convert to fraction form
    7,516.92/10,372.14 = 4,720.44/x
  3. Step 3: Cross multiply
    7,516.92x = 10,372.14 × 4,720.44
  4. Step 4: Simplify right side
    7,516.92x = 48,961,064.54
  5. Step 5: Solve for x
    x = 48,961,064.54/7,516.92
  6. Step 6: Final answer
    x = 6,513.45

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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.