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Finding the Fourth Proportional to 29,142.26, 43,704.86 and 11,368.96

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Solution

The fourth proportional to 29,142.26, 43,704.86 and 11,368.96 is: 17,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.26 : 43,704.86 = 11,368.96 : x
  2. Step 2: Convert to fraction form
    29,142.26/43,704.86 = 11,368.96/x
  3. Step 3: Cross multiply
    29,142.26x = 43,704.86 × 11,368.96
  4. Step 4: Simplify right side
    29,142.26x = 496,878,805.15
  5. Step 5: Solve for x
    x = 496,878,805.15/29,142.26
  6. Step 6: Final answer
    x = 17,050.11

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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.