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Finding the Fourth Proportional to 6,196.60, 9,294.90 and 5,491.90

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Solution

The fourth proportional to 6,196.60, 9,294.90 and 5,491.90 is: 8,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,196.60 : 9,294.90 = 5,491.90 : x
  2. Step 2: Convert to fraction form
    6,196.60/9,294.90 = 5,491.90/x
  3. Step 3: Cross multiply
    6,196.60x = 9,294.90 × 5,491.90
  4. Step 4: Simplify right side
    6,196.60x = 51,046,661.31
  5. Step 5: Solve for x
    x = 51,046,661.31/6,196.60
  6. Step 6: Final answer
    x = 8,237.85

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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.