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Finding the Fourth Proportional to 52,791.21, 72,824.25 and 32,641.65

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Solution

The fourth proportional to 52,791.21, 72,824.25 and 32,641.65 is: 45,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.21 : 72,824.25 = 32,641.65 : x
  2. Step 2: Convert to fraction form
    52,791.21/72,824.25 = 32,641.65/x
  3. Step 3: Cross multiply
    52,791.21x = 72,824.25 × 32,641.65
  4. Step 4: Simplify right side
    52,791.21x = 2,377,103,680.01
  5. Step 5: Solve for x
    x = 2,377,103,680.01/52,791.21
  6. Step 6: Final answer
    x = 45,028.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.