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Finding the Fourth Proportional to 5,581.76, 8,372.64 and 4,052.48

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Solution

The fourth proportional to 5,581.76, 8,372.64 and 4,052.48 is: 6,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.76 : 8,372.64 = 4,052.48 : x
  2. Step 2: Convert to fraction form
    5,581.76/8,372.64 = 4,052.48/x
  3. Step 3: Cross multiply
    5,581.76x = 8,372.64 × 4,052.48
  4. Step 4: Simplify right side
    5,581.76x = 33,929,956.15
  5. Step 5: Solve for x
    x = 33,929,956.15/5,581.76
  6. Step 6: Final answer
    x = 6,078.72

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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.