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Finding the Fourth Proportional to 40,293.98, 60,440.90 and 10,711.81

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Solution

The fourth proportional to 40,293.98, 60,440.90 and 10,711.81 is: 16,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293.98 : 60,440.90 = 10,711.81 : x
  2. Step 2: Convert to fraction form
    40,293.98/60,440.90 = 10,711.81/x
  3. Step 3: Cross multiply
    40,293.98x = 60,440.90 × 10,711.81
  4. Step 4: Simplify right side
    40,293.98x = 647,431,459.02
  5. Step 5: Solve for x
    x = 647,431,459.02/40,293.98
  6. Step 6: Final answer
    x = 16,067.70

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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.