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Finding the Fourth Proportional to 62,812, 94,261.20 and 25,876

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Solution

The fourth proportional to 62,812, 94,261.20 and 25,876 is: 38,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,812 : 94,261.20 = 25,876 : x
  2. Step 2: Convert to fraction form
    62,812/94,261.20 = 25,876/x
  3. Step 3: Cross multiply
    62,812x = 94,261.20 × 25,876
  4. Step 4: Simplify right side
    62,812x = 2,439,102,811.20
  5. Step 5: Solve for x
    x = 2,439,102,811.20/62,812
  6. Step 6: Final answer
    x = 38,831.80

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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.