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Finding the Fourth Proportional to 7,349, 11,023.56 and 3,245

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Solution

The fourth proportional to 7,349, 11,023.56 and 3,245 is: 4,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349 : 11,023.56 = 3,245 : x
  2. Step 2: Convert to fraction form
    7,349/11,023.56 = 3,245/x
  3. Step 3: Cross multiply
    7,349x = 11,023.56 × 3,245
  4. Step 4: Simplify right side
    7,349x = 35,771,452.20
  5. Step 5: Solve for x
    x = 35,771,452.20/7,349
  6. Step 6: Final answer
    x = 4,867.53

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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.