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Finding the Fourth Proportional to 8,195.91, 12,293.88 and 2,351.16

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Solution

The fourth proportional to 8,195.91, 12,293.88 and 2,351.16 is: 3,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.91 : 12,293.88 = 2,351.16 : x
  2. Step 2: Convert to fraction form
    8,195.91/12,293.88 = 2,351.16/x
  3. Step 3: Cross multiply
    8,195.91x = 12,293.88 × 2,351.16
  4. Step 4: Simplify right side
    8,195.91x = 28,904,878.90
  5. Step 5: Solve for x
    x = 28,904,878.90/8,195.91
  6. Step 6: Final answer
    x = 3,526.74

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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.