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Finding the Fourth Proportional to 6,194.38, 8,545.38 and 3,955.12

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Solution

The fourth proportional to 6,194.38, 8,545.38 and 3,955.12 is: 5,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,194.38 : 8,545.38 = 3,955.12 : x
  2. Step 2: Convert to fraction form
    6,194.38/8,545.38 = 3,955.12/x
  3. Step 3: Cross multiply
    6,194.38x = 8,545.38 × 3,955.12
  4. Step 4: Simplify right side
    6,194.38x = 33,798,003.35
  5. Step 5: Solve for x
    x = 33,798,003.35/6,194.38
  6. Step 6: Final answer
    x = 5,456.24

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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.