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Finding the Fourth Proportional to 69,286.50, 103,883.22 and 35,572.95

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Solution

The fourth proportional to 69,286.50, 103,883.22 and 35,572.95 is: 53,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.50 : 103,883.22 = 35,572.95 : x
  2. Step 2: Convert to fraction form
    69,286.50/103,883.22 = 35,572.95/x
  3. Step 3: Cross multiply
    69,286.50x = 103,883.22 × 35,572.95
  4. Step 4: Simplify right side
    69,286.50x = 3,695,432,590.90
  5. Step 5: Solve for x
    x = 3,695,432,590.90/69,286.50
  6. Step 6: Final answer
    x = 53,335.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.