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Finding the Fourth Proportional to 54,092.52, 81,083.16 and 25,970.40

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Solution

The fourth proportional to 54,092.52, 81,083.16 and 25,970.40 is: 38,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,092.52 : 81,083.16 = 25,970.40 : x
  2. Step 2: Convert to fraction form
    54,092.52/81,083.16 = 25,970.40/x
  3. Step 3: Cross multiply
    54,092.52x = 81,083.16 × 25,970.40
  4. Step 4: Simplify right side
    54,092.52x = 2,105,762,098.46
  5. Step 5: Solve for x
    x = 2,105,762,098.46/54,092.52
  6. Step 6: Final answer
    x = 38,928.90

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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.