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Finding the Fourth Proportional to 7,464.60, 11,196.90 and 7,136.55

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Solution

The fourth proportional to 7,464.60, 11,196.90 and 7,136.55 is: 10,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.60 : 11,196.90 = 7,136.55 : x
  2. Step 2: Convert to fraction form
    7,464.60/11,196.90 = 7,136.55/x
  3. Step 3: Cross multiply
    7,464.60x = 11,196.90 × 7,136.55
  4. Step 4: Simplify right side
    7,464.60x = 79,907,236.70
  5. Step 5: Solve for x
    x = 79,907,236.70/7,464.60
  6. Step 6: Final answer
    x = 10,704.83

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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.