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Finding the Fourth Proportional to 57,737.97, 86,609.39 and 18,294.21

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Solution

The fourth proportional to 57,737.97, 86,609.39 and 18,294.21 is: 27,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.97 : 86,609.39 = 18,294.21 : x
  2. Step 2: Convert to fraction form
    57,737.97/86,609.39 = 18,294.21/x
  3. Step 3: Cross multiply
    57,737.97x = 86,609.39 × 18,294.21
  4. Step 4: Simplify right side
    57,737.97x = 1,584,450,368.63
  5. Step 5: Solve for x
    x = 1,584,450,368.63/57,737.97
  6. Step 6: Final answer
    x = 27,442.09

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1.5x scale

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.