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Finding the Fourth Proportional to 5,581.44, 8,370.72 and 2,502.72

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Solution

The fourth proportional to 5,581.44, 8,370.72 and 2,502.72 is: 3,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.44 : 8,370.72 = 2,502.72 : x
  2. Step 2: Convert to fraction form
    5,581.44/8,370.72 = 2,502.72/x
  3. Step 3: Cross multiply
    5,581.44x = 8,370.72 × 2,502.72
  4. Step 4: Simplify right side
    5,581.44x = 20,949,568.36
  5. Step 5: Solve for x
    x = 20,949,568.36/5,581.44
  6. Step 6: Final answer
    x = 3,753.43

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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.