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Finding the Fourth Proportional to 40,437.97, 60,675.74 and 15,469.76

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Solution

The fourth proportional to 40,437.97, 60,675.74 and 15,469.76 is: 23,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.97 : 60,675.74 = 15,469.76 : x
  2. Step 2: Convert to fraction form
    40,437.97/60,675.74 = 15,469.76/x
  3. Step 3: Cross multiply
    40,437.97x = 60,675.74 × 15,469.76
  4. Step 4: Simplify right side
    40,437.97x = 938,639,135.62
  5. Step 5: Solve for x
    x = 938,639,135.62/40,437.97
  6. Step 6: Final answer
    x = 23,211.83

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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.