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Finding the Fourth Proportional to 8,878.52, 12,248.63 and 6,227.66

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Solution

The fourth proportional to 8,878.52, 12,248.63 and 6,227.66 is: 8,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.52 : 12,248.63 = 6,227.66 : x
  2. Step 2: Convert to fraction form
    8,878.52/12,248.63 = 6,227.66/x
  3. Step 3: Cross multiply
    8,878.52x = 12,248.63 × 6,227.66
  4. Step 4: Simplify right side
    8,878.52x = 76,280,210.72
  5. Step 5: Solve for x
    x = 76,280,210.72/8,878.52
  6. Step 6: Final answer
    x = 8,591.55

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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.