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Finding the Fourth Proportional to 40,353.88, 60,531.12 and 14,058.58

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Solution

The fourth proportional to 40,353.88, 60,531.12 and 14,058.58 is: 21,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.88 : 60,531.12 = 14,058.58 : x
  2. Step 2: Convert to fraction form
    40,353.88/60,531.12 = 14,058.58/x
  3. Step 3: Cross multiply
    40,353.88x = 60,531.12 × 14,058.58
  4. Step 4: Simplify right side
    40,353.88x = 850,981,220.06
  5. Step 5: Solve for x
    x = 850,981,220.06/40,353.88
  6. Step 6: Final answer
    x = 21,087.97

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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.