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Finding the Fourth Proportional to 7,221.29, 9,934.16 and 5,892.08

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Solution

The fourth proportional to 7,221.29, 9,934.16 and 5,892.08 is: 8,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.29 : 9,934.16 = 5,892.08 : x
  2. Step 2: Convert to fraction form
    7,221.29/9,934.16 = 5,892.08/x
  3. Step 3: Cross multiply
    7,221.29x = 9,934.16 × 5,892.08
  4. Step 4: Simplify right side
    7,221.29x = 58,532,905.02
  5. Step 5: Solve for x
    x = 58,532,905.02/7,221.29
  6. Step 6: Final answer
    x = 8,105.60

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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.