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Finding the Fourth Proportional to 72,629.82, 108,948.82 and 25,882.69

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Solution

The fourth proportional to 72,629.82, 108,948.82 and 25,882.69 is: 38,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,629.82 : 108,948.82 = 25,882.69 : x
  2. Step 2: Convert to fraction form
    72,629.82/108,948.82 = 25,882.69/x
  3. Step 3: Cross multiply
    72,629.82x = 108,948.82 × 25,882.69
  4. Step 4: Simplify right side
    72,629.82x = 2,819,888,533.93
  5. Step 5: Solve for x
    x = 2,819,888,533.93/72,629.82
  6. Step 6: Final answer
    x = 38,825.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.