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Finding the Fourth Proportional to 40,610.41, 60,920.87 and 15,657.60

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Solution

The fourth proportional to 40,610.41, 60,920.87 and 15,657.60 is: 23,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610.41 : 60,920.87 = 15,657.60 : x
  2. Step 2: Convert to fraction form
    40,610.41/60,920.87 = 15,657.60/x
  3. Step 3: Cross multiply
    40,610.41x = 60,920.87 × 15,657.60
  4. Step 4: Simplify right side
    40,610.41x = 953,874,614.11
  5. Step 5: Solve for x
    x = 953,874,614.11/40,610.41
  6. Step 6: Final answer
    x = 23,488.43

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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.