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Finding the Fourth Proportional to 52,448.67, 72,379.25 and 29,787.66

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Solution

The fourth proportional to 52,448.67, 72,379.25 and 29,787.66 is: 41,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.67 : 72,379.25 = 29,787.66 : x
  2. Step 2: Convert to fraction form
    52,448.67/72,379.25 = 29,787.66/x
  3. Step 3: Cross multiply
    52,448.67x = 72,379.25 × 29,787.66
  4. Step 4: Simplify right side
    52,448.67x = 2,156,008,341.12
  5. Step 5: Solve for x
    x = 2,156,008,341.12/52,448.67
  6. Step 6: Final answer
    x = 41,107.02

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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.