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Finding the Fourth Proportional to 8,876.58, 12,249.62 and 4,897.70

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Solution

The fourth proportional to 8,876.58, 12,249.62 and 4,897.70 is: 6,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.58 : 12,249.62 = 4,897.70 : x
  2. Step 2: Convert to fraction form
    8,876.58/12,249.62 = 4,897.70/x
  3. Step 3: Cross multiply
    8,876.58x = 12,249.62 × 4,897.70
  4. Step 4: Simplify right side
    8,876.58x = 59,995,002.73
  5. Step 5: Solve for x
    x = 59,995,002.73/8,876.58
  6. Step 6: Final answer
    x = 6,758.80

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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.