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Finding the Fourth Proportional to 40,442.76, 60,661.92 and 15,494.76

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Solution

The fourth proportional to 40,442.76, 60,661.92 and 15,494.76 is: 23,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.76 : 60,661.92 = 15,494.76 : x
  2. Step 2: Convert to fraction form
    40,442.76/60,661.92 = 15,494.76/x
  3. Step 3: Cross multiply
    40,442.76x = 60,661.92 × 15,494.76
  4. Step 4: Simplify right side
    40,442.76x = 939,941,891.54
  5. Step 5: Solve for x
    x = 939,941,891.54/40,442.76
  6. Step 6: Final answer
    x = 23,241.29

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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.