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Finding the Fourth Proportional to 72,580.97, 108,887.01 and 25,197.56

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Solution

The fourth proportional to 72,580.97, 108,887.01 and 25,197.56 is: 37,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580.97 : 108,887.01 = 25,197.56 : x
  2. Step 2: Convert to fraction form
    72,580.97/108,887.01 = 25,197.56/x
  3. Step 3: Cross multiply
    72,580.97x = 108,887.01 × 25,197.56
  4. Step 4: Simplify right side
    72,580.97x = 2,743,687,349.59
  5. Step 5: Solve for x
    x = 2,743,687,349.59/72,580.97
  6. Step 6: Final answer
    x = 37,801.75

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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.