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Finding the Fourth Proportional to 69,894.53, 96,453.79 and 38,063.96

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Solution

The fourth proportional to 69,894.53, 96,453.79 and 38,063.96 is: 52,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.53 : 96,453.79 = 38,063.96 : x
  2. Step 2: Convert to fraction form
    69,894.53/96,453.79 = 38,063.96/x
  3. Step 3: Cross multiply
    69,894.53x = 96,453.79 × 38,063.96
  4. Step 4: Simplify right side
    69,894.53x = 3,671,412,988.68
  5. Step 5: Solve for x
    x = 3,671,412,988.68/69,894.53
  6. Step 6: Final answer
    x = 52,527.90

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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.