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Finding the Fourth Proportional to 57,339.74, 86,006.57 and 17,892.34

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Solution

The fourth proportional to 57,339.74, 86,006.57 and 17,892.34 is: 26,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.74 : 86,006.57 = 17,892.34 : x
  2. Step 2: Convert to fraction form
    57,339.74/86,006.57 = 17,892.34/x
  3. Step 3: Cross multiply
    57,339.74x = 86,006.57 × 17,892.34
  4. Step 4: Simplify right side
    57,339.74x = 1,538,858,488.20
  5. Step 5: Solve for x
    x = 1,538,858,488.20/57,339.74
  6. Step 6: Final answer
    x = 26,837.55

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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.