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Finding the Fourth Proportional to 16,519, 22,793.28 and 9,348.88

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Solution

The fourth proportional to 16,519, 22,793.28 and 9,348.88 is: 12,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519 : 22,793.28 = 9,348.88 : x
  2. Step 2: Convert to fraction form
    16,519/22,793.28 = 9,348.88/x
  3. Step 3: Cross multiply
    16,519x = 22,793.28 × 9,348.88
  4. Step 4: Simplify right side
    16,519x = 213,091,639.53
  5. Step 5: Solve for x
    x = 213,091,639.53/16,519
  6. Step 6: Final answer
    x = 12,899.79

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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.