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Finding the Fourth Proportional to 3,432.89, 5,149.64 and 967.73

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Solution

The fourth proportional to 3,432.89, 5,149.64 and 967.73 is: 1,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.89 : 5,149.64 = 967.73 : x
  2. Step 2: Convert to fraction form
    3,432.89/5,149.64 = 967.73/x
  3. Step 3: Cross multiply
    3,432.89x = 5,149.64 × 967.73
  4. Step 4: Simplify right side
    3,432.89x = 4,983,461.12
  5. Step 5: Solve for x
    x = 4,983,461.12/3,432.89
  6. Step 6: Final answer
    x = 1,451.68

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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.