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Finding the Fourth Proportional to 6,161.52, 9,243.90 and 2,872.92

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Solution

The fourth proportional to 6,161.52, 9,243.90 and 2,872.92 is: 4,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.52 : 9,243.90 = 2,872.92 : x
  2. Step 2: Convert to fraction form
    6,161.52/9,243.90 = 2,872.92/x
  3. Step 3: Cross multiply
    6,161.52x = 9,243.90 × 2,872.92
  4. Step 4: Simplify right side
    6,161.52x = 26,556,985.19
  5. Step 5: Solve for x
    x = 26,556,985.19/6,161.52
  6. Step 6: Final answer
    x = 4,310.14

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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.