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Finding the Fourth Proportional to 12,841.57, 17,715.24 and 8,059.13

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Solution

The fourth proportional to 12,841.57, 17,715.24 and 8,059.13 is: 11,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.57 : 17,715.24 = 8,059.13 : x
  2. Step 2: Convert to fraction form
    12,841.57/17,715.24 = 8,059.13/x
  3. Step 3: Cross multiply
    12,841.57x = 17,715.24 × 8,059.13
  4. Step 4: Simplify right side
    12,841.57x = 142,769,400.00
  5. Step 5: Solve for x
    x = 142,769,400.00/12,841.57
  6. Step 6: Final answer
    x = 11,117.75

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.