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Finding the Fourth Proportional to 70,063.39, 96,687.75 and 38,233

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Solution

The fourth proportional to 70,063.39, 96,687.75 and 38,233 is: 52,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.39 : 96,687.75 = 38,233 : x
  2. Step 2: Convert to fraction form
    70,063.39/96,687.75 = 38,233/x
  3. Step 3: Cross multiply
    70,063.39x = 96,687.75 × 38,233
  4. Step 4: Simplify right side
    70,063.39x = 3,696,662,745.75
  5. Step 5: Solve for x
    x = 3,696,662,745.75/70,063.39
  6. Step 6: Final answer
    x = 52,761.69

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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.