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Finding the Fourth Proportional to 2,354.20, 3,531.19 and 967.20

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Solution

The fourth proportional to 2,354.20, 3,531.19 and 967.20 is: 1,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.20 : 3,531.19 = 967.20 : x
  2. Step 2: Convert to fraction form
    2,354.20/3,531.19 = 967.20/x
  3. Step 3: Cross multiply
    2,354.20x = 3,531.19 × 967.20
  4. Step 4: Simplify right side
    2,354.20x = 3,415,366.97
  5. Step 5: Solve for x
    x = 3,415,366.97/2,354.20
  6. Step 6: Final answer
    x = 1,450.75

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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.