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Finding the Fourth Proportional to 52,637.88, 72,640.26 and 29,975.88

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Solution

The fourth proportional to 52,637.88, 72,640.26 and 29,975.88 is: 41,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.88 : 72,640.26 = 29,975.88 : x
  2. Step 2: Convert to fraction form
    52,637.88/72,640.26 = 29,975.88/x
  3. Step 3: Cross multiply
    52,637.88x = 72,640.26 × 29,975.88
  4. Step 4: Simplify right side
    52,637.88x = 2,177,455,716.93
  5. Step 5: Solve for x
    x = 2,177,455,716.93/52,637.88
  6. Step 6: Final answer
    x = 41,366.71

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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.