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Finding the Fourth Proportional to 39,323.48, 54,343.48 and 34,949.48

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Solution

The fourth proportional to 39,323.48, 54,343.48 and 34,949.48 is: 48,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.48 : 54,343.48 = 34,949.48 : x
  2. Step 2: Convert to fraction form
    39,323.48/54,343.48 = 34,949.48/x
  3. Step 3: Cross multiply
    39,323.48x = 54,343.48 × 34,949.48
  4. Step 4: Simplify right side
    39,323.48x = 1,899,276,367.39
  5. Step 5: Solve for x
    x = 1,899,276,367.39/39,323.48
  6. Step 6: Final answer
    x = 48,298.79

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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.