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Finding the Fourth Proportional to 2,001.62, 3,000.51 and 961.10

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Solution

The fourth proportional to 2,001.62, 3,000.51 and 961.10 is: 1,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.62 : 3,000.51 = 961.10 : x
  2. Step 2: Convert to fraction form
    2,001.62/3,000.51 = 961.10/x
  3. Step 3: Cross multiply
    2,001.62x = 3,000.51 × 961.10
  4. Step 4: Simplify right side
    2,001.62x = 2,883,790.16
  5. Step 5: Solve for x
    x = 2,883,790.16/2,001.62
  6. Step 6: Final answer
    x = 1,440.73

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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.