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Finding the Fourth Proportional to 27,192.16, 40,789.22 and 7,472.25

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Solution

The fourth proportional to 27,192.16, 40,789.22 and 7,472.25 is: 11,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.16 : 40,789.22 = 7,472.25 : x
  2. Step 2: Convert to fraction form
    27,192.16/40,789.22 = 7,472.25/x
  3. Step 3: Cross multiply
    27,192.16x = 40,789.22 × 7,472.25
  4. Step 4: Simplify right side
    27,192.16x = 304,787,253.82
  5. Step 5: Solve for x
    x = 304,787,253.82/27,192.16
  6. Step 6: Final answer
    x = 11,208.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.