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Finding the Fourth Proportional to 6,331.87, 8,748.15 and 5,397.54

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Solution

The fourth proportional to 6,331.87, 8,748.15 and 5,397.54 is: 7,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.87 : 8,748.15 = 5,397.54 : x
  2. Step 2: Convert to fraction form
    6,331.87/8,748.15 = 5,397.54/x
  3. Step 3: Cross multiply
    6,331.87x = 8,748.15 × 5,397.54
  4. Step 4: Simplify right side
    6,331.87x = 47,218,466.87
  5. Step 5: Solve for x
    x = 47,218,466.87/6,331.87
  6. Step 6: Final answer
    x = 7,457.27

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Why These Related Problems?

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