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Finding the Fourth Proportional to 52,959.71, 73,053.90 and 31,726.68

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Solution

The fourth proportional to 52,959.71, 73,053.90 and 31,726.68 is: 43,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.71 : 73,053.90 = 31,726.68 : x
  2. Step 2: Convert to fraction form
    52,959.71/73,053.90 = 31,726.68/x
  3. Step 3: Cross multiply
    52,959.71x = 73,053.90 × 31,726.68
  4. Step 4: Simplify right side
    52,959.71x = 2,317,757,708.05
  5. Step 5: Solve for x
    x = 2,317,757,708.05/52,959.71
  6. Step 6: Final answer
    x = 43,764.54

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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.