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Finding the Fourth Proportional to 29,137.49, 43,701.39 and 8,079.69

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Solution

The fourth proportional to 29,137.49, 43,701.39 and 8,079.69 is: 12,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.49 : 43,701.39 = 8,079.69 : x
  2. Step 2: Convert to fraction form
    29,137.49/43,701.39 = 8,079.69/x
  3. Step 3: Cross multiply
    29,137.49x = 43,701.39 × 8,079.69
  4. Step 4: Simplify right side
    29,137.49x = 353,093,683.77
  5. Step 5: Solve for x
    x = 353,093,683.77/29,137.49
  6. Step 6: Final answer
    x = 12,118.19

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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.