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Finding the Fourth Proportional to 14,676.62, 20,251.76 and 8,304.08

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Solution

The fourth proportional to 14,676.62, 20,251.76 and 8,304.08 is: 11,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.62 : 20,251.76 = 8,304.08 : x
  2. Step 2: Convert to fraction form
    14,676.62/20,251.76 = 8,304.08/x
  3. Step 3: Cross multiply
    14,676.62x = 20,251.76 × 8,304.08
  4. Step 4: Simplify right side
    14,676.62x = 168,172,235.18
  5. Step 5: Solve for x
    x = 168,172,235.18/14,676.62
  6. Step 6: Final answer
    x = 11,458.51

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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.