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Finding the Fourth Proportional to 57,505.82, 86,253.04 and 18,061.88

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Solution

The fourth proportional to 57,505.82, 86,253.04 and 18,061.88 is: 27,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.82 : 86,253.04 = 18,061.88 : x
  2. Step 2: Convert to fraction form
    57,505.82/86,253.04 = 18,061.88/x
  3. Step 3: Cross multiply
    57,505.82x = 86,253.04 × 18,061.88
  4. Step 4: Simplify right side
    57,505.82x = 1,557,892,058.12
  5. Step 5: Solve for x
    x = 1,557,892,058.12/57,505.82
  6. Step 6: Final answer
    x = 27,091.03

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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.