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Finding the Fourth Proportional to 29,175.49, 43,759.59 and 8,117.11

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Solution

The fourth proportional to 29,175.49, 43,759.59 and 8,117.11 is: 12,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,175.49 : 43,759.59 = 8,117.11 : x
  2. Step 2: Convert to fraction form
    29,175.49/43,759.59 = 8,117.11/x
  3. Step 3: Cross multiply
    29,175.49x = 43,759.59 × 8,117.11
  4. Step 4: Simplify right side
    29,175.49x = 355,201,405.58
  5. Step 5: Solve for x
    x = 355,201,405.58/29,175.49
  6. Step 6: Final answer
    x = 12,174.65

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