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Finding the Fourth Proportional to 54,597.90, 81,897.31 and 15,158.09

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Solution

The fourth proportional to 54,597.90, 81,897.31 and 15,158.09 is: 22,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,597.90 : 81,897.31 = 15,158.09 : x
  2. Step 2: Convert to fraction form
    54,597.90/81,897.31 = 15,158.09/x
  3. Step 3: Cross multiply
    54,597.90x = 81,897.31 × 15,158.09
  4. Step 4: Simplify right side
    54,597.90x = 1,241,406,735.08
  5. Step 5: Solve for x
    x = 1,241,406,735.08/54,597.90
  6. Step 6: Final answer
    x = 22,737.26

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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.