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Finding the Fourth Proportional to 2,295.39, 3,167.55 and 1,300.61

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Solution

The fourth proportional to 2,295.39, 3,167.55 and 1,300.61 is: 1,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.39 : 3,167.55 = 1,300.61 : x
  2. Step 2: Convert to fraction form
    2,295.39/3,167.55 = 1,300.61/x
  3. Step 3: Cross multiply
    2,295.39x = 3,167.55 × 1,300.61
  4. Step 4: Simplify right side
    2,295.39x = 4,119,747.21
  5. Step 5: Solve for x
    x = 4,119,747.21/2,295.39
  6. Step 6: Final answer
    x = 1,794.79

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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.