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Finding the Fourth Proportional to 11,694.70, 17,542.05 and 8,001.10

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Solution

The fourth proportional to 11,694.70, 17,542.05 and 8,001.10 is: 12,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.70 : 17,542.05 = 8,001.10 : x
  2. Step 2: Convert to fraction form
    11,694.70/17,542.05 = 8,001.10/x
  3. Step 3: Cross multiply
    11,694.70x = 17,542.05 × 8,001.10
  4. Step 4: Simplify right side
    11,694.70x = 140,355,696.26
  5. Step 5: Solve for x
    x = 140,355,696.26/11,694.70
  6. Step 6: Final answer
    x = 12,001.65

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Half scale
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Double scale
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Similar ratio
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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.