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Finding the Fourth Proportional to 69,874, 96,427.83 and 38,044.63

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Solution

The fourth proportional to 69,874, 96,427.83 and 38,044.63 is: 52,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,874 : 96,427.83 = 38,044.63 : x
  2. Step 2: Convert to fraction form
    69,874/96,427.83 = 38,044.63/x
  3. Step 3: Cross multiply
    69,874x = 96,427.83 × 38,044.63
  4. Step 4: Simplify right side
    69,874x = 3,668,561,114.05
  5. Step 5: Solve for x
    x = 3,668,561,114.05/69,874
  6. Step 6: Final answer
    x = 52,502.52

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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.