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Finding the Fourth Proportional to 8,878.53, 12,304.17 and 8,753.25

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Solution

The fourth proportional to 8,878.53, 12,304.17 and 8,753.25 is: 12,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.53 : 12,304.17 = 8,753.25 : x
  2. Step 2: Convert to fraction form
    8,878.53/12,304.17 = 8,753.25/x
  3. Step 3: Cross multiply
    8,878.53x = 12,304.17 × 8,753.25
  4. Step 4: Simplify right side
    8,878.53x = 107,701,476.05
  5. Step 5: Solve for x
    x = 107,701,476.05/8,878.53
  6. Step 6: Final answer
    x = 12,130.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.