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Finding the Fourth Proportional to 5,508.41, 7,591.10 and 5,407.19

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Solution

The fourth proportional to 5,508.41, 7,591.10 and 5,407.19 is: 7,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.41 : 7,591.10 = 5,407.19 : x
  2. Step 2: Convert to fraction form
    5,508.41/7,591.10 = 5,407.19/x
  3. Step 3: Cross multiply
    5,508.41x = 7,591.10 × 5,407.19
  4. Step 4: Simplify right side
    5,508.41x = 41,046,520.01
  5. Step 5: Solve for x
    x = 41,046,520.01/5,508.41
  6. Step 6: Final answer
    x = 7,451.61

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Half scale
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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.