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Finding the Fourth Proportional to 8,819.24, 12,167.78 and 6,019.88

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Solution

The fourth proportional to 8,819.24, 12,167.78 and 6,019.88 is: 8,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.24 : 12,167.78 = 6,019.88 : x
  2. Step 2: Convert to fraction form
    8,819.24/12,167.78 = 6,019.88/x
  3. Step 3: Cross multiply
    8,819.24x = 12,167.78 × 6,019.88
  4. Step 4: Simplify right side
    8,819.24x = 73,248,575.47
  5. Step 5: Solve for x
    x = 73,248,575.47/8,819.24
  6. Step 6: Final answer
    x = 8,305.54

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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.