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Finding the Fourth Proportional to 5,581.92, 8,372.92 and 1,884.18

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Solution

The fourth proportional to 5,581.92, 8,372.92 and 1,884.18 is: 2,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.92 : 8,372.92 = 1,884.18 : x
  2. Step 2: Convert to fraction form
    5,581.92/8,372.92 = 1,884.18/x
  3. Step 3: Cross multiply
    5,581.92x = 8,372.92 × 1,884.18
  4. Step 4: Simplify right side
    5,581.92x = 15,776,088.41
  5. Step 5: Solve for x
    x = 15,776,088.41/5,581.92
  6. Step 6: Final answer
    x = 2,826.28

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Similar ratio
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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.