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Finding the Fourth Proportional to 7,102.52, 9,819.19 and 5,331.05

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Solution

The fourth proportional to 7,102.52, 9,819.19 and 5,331.05 is: 7,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.52 : 9,819.19 = 5,331.05 : x
  2. Step 2: Convert to fraction form
    7,102.52/9,819.19 = 5,331.05/x
  3. Step 3: Cross multiply
    7,102.52x = 9,819.19 × 5,331.05
  4. Step 4: Simplify right side
    7,102.52x = 52,346,517.10
  5. Step 5: Solve for x
    x = 52,346,517.10/7,102.52
  6. Step 6: Final answer
    x = 7,370.14

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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.