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Finding the Fourth Proportional to 11,067.59, 16,630.08 and 8,320.17

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Solution

The fourth proportional to 11,067.59, 16,630.08 and 8,320.17 is: 12,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.59 : 16,630.08 = 8,320.17 : x
  2. Step 2: Convert to fraction form
    11,067.59/16,630.08 = 8,320.17/x
  3. Step 3: Cross multiply
    11,067.59x = 16,630.08 × 8,320.17
  4. Step 4: Simplify right side
    11,067.59x = 138,365,100.53
  5. Step 5: Solve for x
    x = 138,365,100.53/11,067.59
  6. Step 6: Final answer
    x = 12,501.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.