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Finding the Fourth Proportional to 8,348.96, 12,523.44 and 6,787.10

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Solution

The fourth proportional to 8,348.96, 12,523.44 and 6,787.10 is: 10,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.96 : 12,523.44 = 6,787.10 : x
  2. Step 2: Convert to fraction form
    8,348.96/12,523.44 = 6,787.10/x
  3. Step 3: Cross multiply
    8,348.96x = 12,523.44 × 6,787.10
  4. Step 4: Simplify right side
    8,348.96x = 84,997,839.62
  5. Step 5: Solve for x
    x = 84,997,839.62/8,348.96
  6. Step 6: Final answer
    x = 10,180.65

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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.