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Finding the Fourth Proportional to 69,894.99, 96,454.67 and 38,063.61

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Solution

The fourth proportional to 69,894.99, 96,454.67 and 38,063.61 is: 52,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.99 : 96,454.67 = 38,063.61 : x
  2. Step 2: Convert to fraction form
    69,894.99/96,454.67 = 38,063.61/x
  3. Step 3: Cross multiply
    69,894.99x = 96,454.67 × 38,063.61
  4. Step 4: Simplify right side
    69,894.99x = 3,671,412,751.24
  5. Step 5: Solve for x
    x = 3,671,412,751.24/69,894.99
  6. Step 6: Final answer
    x = 52,527.55

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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.