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Finding the Fourth Proportional to 69,063.86, 103,651.16 and 35,793.44

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Solution

The fourth proportional to 69,063.86, 103,651.16 and 35,793.44 is: 53,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.86 : 103,651.16 = 35,793.44 : x
  2. Step 2: Convert to fraction form
    69,063.86/103,651.16 = 35,793.44/x
  3. Step 3: Cross multiply
    69,063.86x = 103,651.16 × 35,793.44
  4. Step 4: Simplify right side
    69,063.86x = 3,710,030,879.17
  5. Step 5: Solve for x
    x = 3,710,030,879.17/69,063.86
  6. Step 6: Final answer
    x = 53,718.85

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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.