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Finding the Fourth Proportional to 8,107.52, 11,188.53 and 4,473.68

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Solution

The fourth proportional to 8,107.52, 11,188.53 and 4,473.68 is: 6,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.52 : 11,188.53 = 4,473.68 : x
  2. Step 2: Convert to fraction form
    8,107.52/11,188.53 = 4,473.68/x
  3. Step 3: Cross multiply
    8,107.52x = 11,188.53 × 4,473.68
  4. Step 4: Simplify right side
    8,107.52x = 50,053,846.95
  5. Step 5: Solve for x
    x = 50,053,846.95/8,107.52
  6. Step 6: Final answer
    x = 6,173.76

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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.