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Finding the Fourth Proportional to 16,728.90, 24,902.22 and 16,479.69

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Solution

The fourth proportional to 16,728.90, 24,902.22 and 16,479.69 is: 24,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.90 : 24,902.22 = 16,479.69 : x
  2. Step 2: Convert to fraction form
    16,728.90/24,902.22 = 16,479.69/x
  3. Step 3: Cross multiply
    16,728.90x = 24,902.22 × 16,479.69
  4. Step 4: Simplify right side
    16,728.90x = 410,380,865.91
  5. Step 5: Solve for x
    x = 410,380,865.91/16,728.90
  6. Step 6: Final answer
    x = 24,531.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.