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Finding the Fourth Proportional to 9,335.34, 12,882.27 and 5,562.78

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Solution

The fourth proportional to 9,335.34, 12,882.27 and 5,562.78 is: 7,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.34 : 12,882.27 = 5,562.78 : x
  2. Step 2: Convert to fraction form
    9,335.34/12,882.27 = 5,562.78/x
  3. Step 3: Cross multiply
    9,335.34x = 12,882.27 × 5,562.78
  4. Step 4: Simplify right side
    9,335.34x = 71,661,233.91
  5. Step 5: Solve for x
    x = 71,661,233.91/9,335.34
  6. Step 6: Final answer
    x = 7,676.34

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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.