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Finding the Fourth Proportional to 57,989.04, 86,996.52 and 18,548.52

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Solution

The fourth proportional to 57,989.04, 86,996.52 and 18,548.52 is: 27,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.04 : 86,996.52 = 18,548.52 : x
  2. Step 2: Convert to fraction form
    57,989.04/86,996.52 = 18,548.52/x
  3. Step 3: Cross multiply
    57,989.04x = 86,996.52 × 18,548.52
  4. Step 4: Simplify right side
    57,989.04x = 1,613,656,691.15
  5. Step 5: Solve for x
    x = 1,613,656,691.15/57,989.04
  6. Step 6: Final answer
    x = 27,826.93

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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.