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Finding the Fourth Proportional to 40,471.98, 60,735.24 and 14,176.95

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Solution

The fourth proportional to 40,471.98, 60,735.24 and 14,176.95 is: 21,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.98 : 60,735.24 = 14,176.95 : x
  2. Step 2: Convert to fraction form
    40,471.98/60,735.24 = 14,176.95/x
  3. Step 3: Cross multiply
    40,471.98x = 60,735.24 × 14,176.95
  4. Step 4: Simplify right side
    40,471.98x = 861,040,460.72
  5. Step 5: Solve for x
    x = 861,040,460.72/40,471.98
  6. Step 6: Final answer
    x = 21,274.98

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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.