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Finding the Fourth Proportional to 16,532.75, 22,815.38 and 9,080.75

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Solution

The fourth proportional to 16,532.75, 22,815.38 and 9,080.75 is: 12,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.75 : 22,815.38 = 9,080.75 : x
  2. Step 2: Convert to fraction form
    16,532.75/22,815.38 = 9,080.75/x
  3. Step 3: Cross multiply
    16,532.75x = 22,815.38 × 9,080.75
  4. Step 4: Simplify right side
    16,532.75x = 207,180,761.94
  5. Step 5: Solve for x
    x = 207,180,761.94/16,532.75
  6. Step 6: Final answer
    x = 12,531.54

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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.