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Finding the Fourth Proportional to 16,320.88, 22,522.82 and 8,868.88

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Solution

The fourth proportional to 16,320.88, 22,522.82 and 8,868.88 is: 12,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.88 : 22,522.82 = 8,868.88 : x
  2. Step 2: Convert to fraction form
    16,320.88/22,522.82 = 8,868.88/x
  3. Step 3: Cross multiply
    16,320.88x = 22,522.82 × 8,868.88
  4. Step 4: Simplify right side
    16,320.88x = 199,752,187.84
  5. Step 5: Solve for x
    x = 199,752,187.84/16,320.88
  6. Step 6: Final answer
    x = 12,239.06

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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.