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Finding the Fourth Proportional to 54,672.86, 81,957.45 and 26,938.46

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Solution

The fourth proportional to 54,672.86, 81,957.45 and 26,938.46 is: 40,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.86 : 81,957.45 = 26,938.46 : x
  2. Step 2: Convert to fraction form
    54,672.86/81,957.45 = 26,938.46/x
  3. Step 3: Cross multiply
    54,672.86x = 81,957.45 × 26,938.46
  4. Step 4: Simplify right side
    54,672.86x = 2,207,807,488.53
  5. Step 5: Solve for x
    x = 2,207,807,488.53/54,672.86
  6. Step 6: Final answer
    x = 40,382.15

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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.