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Finding the Fourth Proportional to 38,121, 57,170.68 and 24,059.92

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Solution

The fourth proportional to 38,121, 57,170.68 and 24,059.92 is: 36,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121 : 57,170.68 = 24,059.92 : x
  2. Step 2: Convert to fraction form
    38,121/57,170.68 = 24,059.92/x
  3. Step 3: Cross multiply
    38,121x = 57,170.68 × 24,059.92
  4. Step 4: Simplify right side
    38,121x = 1,375,521,987.15
  5. Step 5: Solve for x
    x = 1,375,521,987.15/38,121
  6. Step 6: Final answer
    x = 36,083.05

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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.