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Finding the Fourth Proportional to 40,414.70, 60,622.05 and 36,040.70

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Solution

The fourth proportional to 40,414.70, 60,622.05 and 36,040.70 is: 54,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.70 : 60,622.05 = 36,040.70 : x
  2. Step 2: Convert to fraction form
    40,414.70/60,622.05 = 36,040.70/x
  3. Step 3: Cross multiply
    40,414.70x = 60,622.05 × 36,040.70
  4. Step 4: Simplify right side
    40,414.70x = 2,184,861,117.44
  5. Step 5: Solve for x
    x = 2,184,861,117.44/40,414.70
  6. Step 6: Final answer
    x = 54,061.05

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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.