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Finding the Fourth Proportional to 9,269.56, 12,793.21 and 5,291.45

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Solution

The fourth proportional to 9,269.56, 12,793.21 and 5,291.45 is: 7,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.56 : 12,793.21 = 5,291.45 : x
  2. Step 2: Convert to fraction form
    9,269.56/12,793.21 = 5,291.45/x
  3. Step 3: Cross multiply
    9,269.56x = 12,793.21 × 5,291.45
  4. Step 4: Simplify right side
    9,269.56x = 67,694,553.86
  5. Step 5: Solve for x
    x = 67,694,553.86/9,269.56
  6. Step 6: Final answer
    x = 7,302.89

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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.