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Finding the Fourth Proportional to 40,333.71, 60,512.87 and 20,626.11

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Solution

The fourth proportional to 40,333.71, 60,512.87 and 20,626.11 is: 30,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,333.71 : 60,512.87 = 20,626.11 : x
  2. Step 2: Convert to fraction form
    40,333.71/60,512.87 = 20,626.11/x
  3. Step 3: Cross multiply
    40,333.71x = 60,512.87 × 20,626.11
  4. Step 4: Simplify right side
    40,333.71x = 1,248,145,113.04
  5. Step 5: Solve for x
    x = 1,248,145,113.04/40,333.71
  6. Step 6: Final answer
    x = 30,945.46

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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.