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Finding the Fourth Proportional to 2,000.36, 2,760.32 and 1,149.62

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Solution

The fourth proportional to 2,000.36, 2,760.32 and 1,149.62 is: 1,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.36 : 2,760.32 = 1,149.62 : x
  2. Step 2: Convert to fraction form
    2,000.36/2,760.32 = 1,149.62/x
  3. Step 3: Cross multiply
    2,000.36x = 2,760.32 × 1,149.62
  4. Step 4: Simplify right side
    2,000.36x = 3,173,319.08
  5. Step 5: Solve for x
    x = 3,173,319.08/2,000.36
  6. Step 6: Final answer
    x = 1,586.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.