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Finding the Fourth Proportional to 62,831, 94,289.76 and 25,895

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Solution

The fourth proportional to 62,831, 94,289.76 and 25,895 is: 38,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831 : 94,289.76 = 25,895 : x
  2. Step 2: Convert to fraction form
    62,831/94,289.76 = 25,895/x
  3. Step 3: Cross multiply
    62,831x = 94,289.76 × 25,895
  4. Step 4: Simplify right side
    62,831x = 2,441,633,335.20
  5. Step 5: Solve for x
    x = 2,441,633,335.20/62,831
  6. Step 6: Final answer
    x = 38,860.33

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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.