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Finding the Fourth Proportional to 8,195.48, 12,294.58 and 2,648.16

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Solution

The fourth proportional to 8,195.48, 12,294.58 and 2,648.16 is: 3,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.48 : 12,294.58 = 2,648.16 : x
  2. Step 2: Convert to fraction form
    8,195.48/12,294.58 = 2,648.16/x
  3. Step 3: Cross multiply
    8,195.48x = 12,294.58 × 2,648.16
  4. Step 4: Simplify right side
    8,195.48x = 32,558,001.73
  5. Step 5: Solve for x
    x = 32,558,001.73/8,195.48
  6. Step 6: Final answer
    x = 3,972.68

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Double scale
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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.