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Finding the Fourth Proportional to 16,205.91, 22,364.17 and 8,753.91

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Solution

The fourth proportional to 16,205.91, 22,364.17 and 8,753.91 is: 12,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.91 : 22,364.17 = 8,753.91 : x
  2. Step 2: Convert to fraction form
    16,205.91/22,364.17 = 8,753.91/x
  3. Step 3: Cross multiply
    16,205.91x = 22,364.17 × 8,753.91
  4. Step 4: Simplify right side
    16,205.91x = 195,773,825.65
  5. Step 5: Solve for x
    x = 195,773,825.65/16,205.91
  6. Step 6: Final answer
    x = 12,080.40

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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.