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Finding the Fourth Proportional to 54,470.83, 81,710.95 and 15,027.94

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Solution

The fourth proportional to 54,470.83, 81,710.95 and 15,027.94 is: 22,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,470.83 : 81,710.95 = 15,027.94 : x
  2. Step 2: Convert to fraction form
    54,470.83/81,710.95 = 15,027.94/x
  3. Step 3: Cross multiply
    54,470.83x = 81,710.95 × 15,027.94
  4. Step 4: Simplify right side
    54,470.83x = 1,227,947,528.07
  5. Step 5: Solve for x
    x = 1,227,947,528.07/54,470.83
  6. Step 6: Final answer
    x = 22,543.21

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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.