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Finding the Fourth Proportional to 2,000.52, 2,998.32 and 767.16

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Solution

The fourth proportional to 2,000.52, 2,998.32 and 767.16 is: 1,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.52 : 2,998.32 = 767.16 : x
  2. Step 2: Convert to fraction form
    2,000.52/2,998.32 = 767.16/x
  3. Step 3: Cross multiply
    2,000.52x = 2,998.32 × 767.16
  4. Step 4: Simplify right side
    2,000.52x = 2,300,191.17
  5. Step 5: Solve for x
    x = 2,300,191.17/2,000.52
  6. Step 6: Final answer
    x = 1,149.80

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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.