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Finding the Fourth Proportional to 8,169.66, 11,274.39 and 4,443.66

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Solution

The fourth proportional to 8,169.66, 11,274.39 and 4,443.66 is: 6,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.66 : 11,274.39 = 4,443.66 : x
  2. Step 2: Convert to fraction form
    8,169.66/11,274.39 = 4,443.66/x
  3. Step 3: Cross multiply
    8,169.66x = 11,274.39 × 4,443.66
  4. Step 4: Simplify right side
    8,169.66x = 50,099,555.87
  5. Step 5: Solve for x
    x = 50,099,555.87/8,169.66
  6. Step 6: Final answer
    x = 6,132.39

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Half scale
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Double scale
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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.