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Finding the Fourth Proportional to 5,581.91, 8,372.86 and 4,350.24

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Solution

The fourth proportional to 5,581.91, 8,372.86 and 4,350.24 is: 6,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.91 : 8,372.86 = 4,350.24 : x
  2. Step 2: Convert to fraction form
    5,581.91/8,372.86 = 4,350.24/x
  3. Step 3: Cross multiply
    5,581.91x = 8,372.86 × 4,350.24
  4. Step 4: Simplify right side
    5,581.91x = 36,423,886.87
  5. Step 5: Solve for x
    x = 36,423,886.87/5,581.91
  6. Step 6: Final answer
    x = 6,525.35

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Double scale
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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.