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Finding the Fourth Proportional to 3,342.65, 5,011.14 and 1,882.22

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Solution

The fourth proportional to 3,342.65, 5,011.14 and 1,882.22 is: 2,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.65 : 5,011.14 = 1,882.22 : x
  2. Step 2: Convert to fraction form
    3,342.65/5,011.14 = 1,882.22/x
  3. Step 3: Cross multiply
    3,342.65x = 5,011.14 × 1,882.22
  4. Step 4: Simplify right side
    3,342.65x = 9,432,067.93
  5. Step 5: Solve for x
    x = 9,432,067.93/3,342.65
  6. Step 6: Final answer
    x = 2,821.73

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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.