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Finding the Fourth Proportional to 8,150.81, 11,248.13 and 4,424.81

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Solution

The fourth proportional to 8,150.81, 11,248.13 and 4,424.81 is: 6,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.81 : 11,248.13 = 4,424.81 : x
  2. Step 2: Convert to fraction form
    8,150.81/11,248.13 = 4,424.81/x
  3. Step 3: Cross multiply
    8,150.81x = 11,248.13 × 4,424.81
  4. Step 4: Simplify right side
    8,150.81x = 49,770,838.11
  5. Step 5: Solve for x
    x = 49,770,838.11/8,150.81
  6. Step 6: Final answer
    x = 6,106.24

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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.