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Finding the Fourth Proportional to 8,876.66, 12,250.02 and 4,897.82

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Solution

The fourth proportional to 8,876.66, 12,250.02 and 4,897.82 is: 6,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.66 : 12,250.02 = 4,897.82 : x
  2. Step 2: Convert to fraction form
    8,876.66/12,250.02 = 4,897.82/x
  3. Step 3: Cross multiply
    8,876.66x = 12,250.02 × 4,897.82
  4. Step 4: Simplify right side
    8,876.66x = 59,998,392.96
  5. Step 5: Solve for x
    x = 59,998,392.96/8,876.66
  6. Step 6: Final answer
    x = 6,759.12

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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.