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Finding the Fourth Proportional to 22,716.88, 34,079.88 and 8,676.95

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Solution

The fourth proportional to 22,716.88, 34,079.88 and 8,676.95 is: 13,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.88 : 34,079.88 = 8,676.95 : x
  2. Step 2: Convert to fraction form
    22,716.88/34,079.88 = 8,676.95/x
  3. Step 3: Cross multiply
    22,716.88x = 34,079.88 × 8,676.95
  4. Step 4: Simplify right side
    22,716.88x = 295,709,307.87
  5. Step 5: Solve for x
    x = 295,709,307.87/22,716.88
  6. Step 6: Final answer
    x = 13,017.16

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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.