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Finding the Fourth Proportional to 69,752.81, 104,626.44 and 29,755.28

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Solution

The fourth proportional to 69,752.81, 104,626.44 and 29,755.28 is: 44,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,752.81 : 104,626.44 = 29,755.28 : x
  2. Step 2: Convert to fraction form
    69,752.81/104,626.44 = 29,755.28/x
  3. Step 3: Cross multiply
    69,752.81x = 104,626.44 × 29,755.28
  4. Step 4: Simplify right side
    69,752.81x = 3,113,188,494.47
  5. Step 5: Solve for x
    x = 3,113,188,494.47/69,752.81
  6. Step 6: Final answer
    x = 44,631.73

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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.