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Finding the Fourth Proportional to 6,161.52, 9,239.85 and 2,651.79

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Solution

The fourth proportional to 6,161.52, 9,239.85 and 2,651.79 is: 3,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.52 : 9,239.85 = 2,651.79 : x
  2. Step 2: Convert to fraction form
    6,161.52/9,239.85 = 2,651.79/x
  3. Step 3: Cross multiply
    6,161.52x = 9,239.85 × 2,651.79
  4. Step 4: Simplify right side
    6,161.52x = 24,502,117.05
  5. Step 5: Solve for x
    x = 24,502,117.05/6,161.52
  6. Step 6: Final answer
    x = 3,976.64

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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.