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Finding the Fourth Proportional to 3,432.74, 5,148.89 and 967.50

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Solution

The fourth proportional to 3,432.74, 5,148.89 and 967.50 is: 1,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.74 : 5,148.89 = 967.50 : x
  2. Step 2: Convert to fraction form
    3,432.74/5,148.89 = 967.50/x
  3. Step 3: Cross multiply
    3,432.74x = 5,148.89 × 967.50
  4. Step 4: Simplify right side
    3,432.74x = 4,981,546.24
  5. Step 5: Solve for x
    x = 4,981,546.24/3,432.74
  6. Step 6: Final answer
    x = 1,451.19

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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.