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Finding the Fourth Proportional to 5,432.72, 7,495.49 and 3,751.47

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Solution

The fourth proportional to 5,432.72, 7,495.49 and 3,751.47 is: 5,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.72 : 7,495.49 = 3,751.47 : x
  2. Step 2: Convert to fraction form
    5,432.72/7,495.49 = 3,751.47/x
  3. Step 3: Cross multiply
    5,432.72x = 7,495.49 × 3,751.47
  4. Step 4: Simplify right side
    5,432.72x = 28,119,115.25
  5. Step 5: Solve for x
    x = 28,119,115.25/5,432.72
  6. Step 6: Final answer
    x = 5,175.89

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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.