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Finding the Fourth Proportional to 16,551.62, 22,863.40 and 16,310.71

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Solution

The fourth proportional to 16,551.62, 22,863.40 and 16,310.71 is: 22,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.62 : 22,863.40 = 16,310.71 : x
  2. Step 2: Convert to fraction form
    16,551.62/22,863.40 = 16,310.71/x
  3. Step 3: Cross multiply
    16,551.62x = 22,863.40 × 16,310.71
  4. Step 4: Simplify right side
    16,551.62x = 372,918,189.08
  5. Step 5: Solve for x
    x = 372,918,189.08/16,551.62
  6. Step 6: Final answer
    x = 22,530.61

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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.