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Finding the Fourth Proportional to 3,432.13, 5,147.77 and 967.14

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Solution

The fourth proportional to 3,432.13, 5,147.77 and 967.14 is: 1,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.13 : 5,147.77 = 967.14 : x
  2. Step 2: Convert to fraction form
    3,432.13/5,147.77 = 967.14/x
  3. Step 3: Cross multiply
    3,432.13x = 5,147.77 × 967.14
  4. Step 4: Simplify right side
    3,432.13x = 4,978,614.28
  5. Step 5: Solve for x
    x = 4,978,614.28/3,432.13
  6. Step 6: Final answer
    x = 1,450.59

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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.