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Finding the Fourth Proportional to 6,630.92, 9,944.25 and 6,194.13

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Solution

The fourth proportional to 6,630.92, 9,944.25 and 6,194.13 is: 9,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.92 : 9,944.25 = 6,194.13 : x
  2. Step 2: Convert to fraction form
    6,630.92/9,944.25 = 6,194.13/x
  3. Step 3: Cross multiply
    6,630.92x = 9,944.25 × 6,194.13
  4. Step 4: Simplify right side
    6,630.92x = 61,595,977.25
  5. Step 5: Solve for x
    x = 61,595,977.25/6,630.92
  6. Step 6: Final answer
    x = 9,289.21

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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.