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Finding the Fourth Proportional to 54,068.43, 81,042.42 and 22,460.88

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Solution

The fourth proportional to 54,068.43, 81,042.42 and 22,460.88 is: 33,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.43 : 81,042.42 = 22,460.88 : x
  2. Step 2: Convert to fraction form
    54,068.43/81,042.42 = 22,460.88/x
  3. Step 3: Cross multiply
    54,068.43x = 81,042.42 × 22,460.88
  4. Step 4: Simplify right side
    54,068.43x = 1,820,284,070.53
  5. Step 5: Solve for x
    x = 1,820,284,070.53/54,068.43
  6. Step 6: Final answer
    x = 33,666.30

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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.