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Finding the Fourth Proportional to 3,034.65, 4,188.22 and 1,708.62

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Solution

The fourth proportional to 3,034.65, 4,188.22 and 1,708.62 is: 2,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.65 : 4,188.22 = 1,708.62 : x
  2. Step 2: Convert to fraction form
    3,034.65/4,188.22 = 1,708.62/x
  3. Step 3: Cross multiply
    3,034.65x = 4,188.22 × 1,708.62
  4. Step 4: Simplify right side
    3,034.65x = 7,156,067.64
  5. Step 5: Solve for x
    x = 7,156,067.64/3,034.65
  6. Step 6: Final answer
    x = 2,358.12

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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.