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Finding the Fourth Proportional to 59,928, 89,906.40 and 22,992

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Solution

The fourth proportional to 59,928, 89,906.40 and 22,992 is: 34,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,928 : 89,906.40 = 22,992 : x
  2. Step 2: Convert to fraction form
    59,928/89,906.40 = 22,992/x
  3. Step 3: Cross multiply
    59,928x = 89,906.40 × 22,992
  4. Step 4: Simplify right side
    59,928x = 2,067,127,948.80
  5. Step 5: Solve for x
    x = 2,067,127,948.80/59,928
  6. Step 6: Final answer
    x = 34,493.52

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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.