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Finding the Fourth Proportional to 4,000.71, 5,520.62 and 2,232.43

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Solution

The fourth proportional to 4,000.71, 5,520.62 and 2,232.43 is: 3,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.71 : 5,520.62 = 2,232.43 : x
  2. Step 2: Convert to fraction form
    4,000.71/5,520.62 = 2,232.43/x
  3. Step 3: Cross multiply
    4,000.71x = 5,520.62 × 2,232.43
  4. Step 4: Simplify right side
    4,000.71x = 12,324,389.49
  5. Step 5: Solve for x
    x = 12,324,389.49/4,000.71
  6. Step 6: Final answer
    x = 3,080.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.