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Finding the Fourth Proportional to 3,425.88, 4,727.71 and 1,934.11

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Solution

The fourth proportional to 3,425.88, 4,727.71 and 1,934.11 is: 2,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.88 : 4,727.71 = 1,934.11 : x
  2. Step 2: Convert to fraction form
    3,425.88/4,727.71 = 1,934.11/x
  3. Step 3: Cross multiply
    3,425.88x = 4,727.71 × 1,934.11
  4. Step 4: Simplify right side
    3,425.88x = 9,143,911.19
  5. Step 5: Solve for x
    x = 9,143,911.19/3,425.88
  6. Step 6: Final answer
    x = 2,669.07

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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.