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Finding the Fourth Proportional to 39,951.48, 55,133 and 22,046.48

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Solution

The fourth proportional to 39,951.48, 55,133 and 22,046.48 is: 30,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.48 : 55,133 = 22,046.48 : x
  2. Step 2: Convert to fraction form
    39,951.48/55,133 = 22,046.48/x
  3. Step 3: Cross multiply
    39,951.48x = 55,133 × 22,046.48
  4. Step 4: Simplify right side
    39,951.48x = 1,215,488,581.84
  5. Step 5: Solve for x
    x = 1,215,488,581.84/39,951.48
  6. Step 6: Final answer
    x = 30,424.12

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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.