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Finding the Fourth Proportional to 54,561.60, 81,806.76 and 24,938.28

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Solution

The fourth proportional to 54,561.60, 81,806.76 and 24,938.28 is: 37,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.60 : 81,806.76 = 24,938.28 : x
  2. Step 2: Convert to fraction form
    54,561.60/81,806.76 = 24,938.28/x
  3. Step 3: Cross multiply
    54,561.60x = 81,806.76 × 24,938.28
  4. Step 4: Simplify right side
    54,561.60x = 2,040,119,886.77
  5. Step 5: Solve for x
    x = 2,040,119,886.77/54,561.60
  6. Step 6: Final answer
    x = 37,391.13

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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.