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Finding the Fourth Proportional to 3,164.16, 4,747.05 and 2,275.71

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Solution

The fourth proportional to 3,164.16, 4,747.05 and 2,275.71 is: 3,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.16 : 4,747.05 = 2,275.71 : x
  2. Step 2: Convert to fraction form
    3,164.16/4,747.05 = 2,275.71/x
  3. Step 3: Cross multiply
    3,164.16x = 4,747.05 × 2,275.71
  4. Step 4: Simplify right side
    3,164.16x = 10,802,909.16
  5. Step 5: Solve for x
    x = 10,802,909.16/3,164.16
  6. Step 6: Final answer
    x = 3,414.15

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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.