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Finding the Fourth Proportional to 16,329.75, 22,535.07 and 8,877.75

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Solution

The fourth proportional to 16,329.75, 22,535.07 and 8,877.75 is: 12,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.75 : 22,535.07 = 8,877.75 : x
  2. Step 2: Convert to fraction form
    16,329.75/22,535.07 = 8,877.75/x
  3. Step 3: Cross multiply
    16,329.75x = 22,535.07 × 8,877.75
  4. Step 4: Simplify right side
    16,329.75x = 200,060,717.69
  5. Step 5: Solve for x
    x = 200,060,717.69/16,329.75
  6. Step 6: Final answer
    x = 12,251.30

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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.