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Finding the Fourth Proportional to 32,891.72, 49,317.81 and 15,100.11

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Solution

The fourth proportional to 32,891.72, 49,317.81 and 15,100.11 is: 22,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,891.72 : 49,317.81 = 15,100.11 : x
  2. Step 2: Convert to fraction form
    32,891.72/49,317.81 = 15,100.11/x
  3. Step 3: Cross multiply
    32,891.72x = 49,317.81 × 15,100.11
  4. Step 4: Simplify right side
    32,891.72x = 744,704,355.96
  5. Step 5: Solve for x
    x = 744,704,355.96/32,891.72
  6. Step 6: Final answer
    x = 22,641.09

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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.