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Finding the Fourth Proportional to 54,610.66, 81,916.02 and 15,167.76

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Solution

The fourth proportional to 54,610.66, 81,916.02 and 15,167.76 is: 22,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.66 : 81,916.02 = 15,167.76 : x
  2. Step 2: Convert to fraction form
    54,610.66/81,916.02 = 15,167.76/x
  3. Step 3: Cross multiply
    54,610.66x = 81,916.02 × 15,167.76
  4. Step 4: Simplify right side
    54,610.66x = 1,242,482,531.52
  5. Step 5: Solve for x
    x = 1,242,482,531.52/54,610.66
  6. Step 6: Final answer
    x = 22,751.65

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Why These Related Problems?

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