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Finding the Fourth Proportional to 8,007.72, 11,037.43 and 5,354.16

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Solution

The fourth proportional to 8,007.72, 11,037.43 and 5,354.16 is: 7,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.72 : 11,037.43 = 5,354.16 : x
  2. Step 2: Convert to fraction form
    8,007.72/11,037.43 = 5,354.16/x
  3. Step 3: Cross multiply
    8,007.72x = 11,037.43 × 5,354.16
  4. Step 4: Simplify right side
    8,007.72x = 59,096,166.21
  5. Step 5: Solve for x
    x = 59,096,166.21/8,007.72
  6. Step 6: Final answer
    x = 7,379.90

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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.