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Finding the Fourth Proportional to 6,147.33, 9,213.18 and 5,353.47

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Solution

The fourth proportional to 6,147.33, 9,213.18 and 5,353.47 is: 8,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.33 : 9,213.18 = 5,353.47 : x
  2. Step 2: Convert to fraction form
    6,147.33/9,213.18 = 5,353.47/x
  3. Step 3: Cross multiply
    6,147.33x = 9,213.18 × 5,353.47
  4. Step 4: Simplify right side
    6,147.33x = 49,322,482.73
  5. Step 5: Solve for x
    x = 49,322,482.73/6,147.33
  6. Step 6: Final answer
    x = 8,023.40

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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.