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Finding the Fourth Proportional to 40,058.97, 60,092.60 and 15,120.02

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Solution

The fourth proportional to 40,058.97, 60,092.60 and 15,120.02 is: 22,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.97 : 60,092.60 = 15,120.02 : x
  2. Step 2: Convert to fraction form
    40,058.97/60,092.60 = 15,120.02/x
  3. Step 3: Cross multiply
    40,058.97x = 60,092.60 × 15,120.02
  4. Step 4: Simplify right side
    40,058.97x = 908,600,937.79
  5. Step 5: Solve for x
    x = 908,600,937.79/40,058.97
  6. Step 6: Final answer
    x = 22,681.59

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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.