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Finding the Fourth Proportional to 68,449.79, 94,454.56 and 38,230.92

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Solution

The fourth proportional to 68,449.79, 94,454.56 and 38,230.92 is: 52,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,449.79 : 94,454.56 = 38,230.92 : x
  2. Step 2: Convert to fraction form
    68,449.79/94,454.56 = 38,230.92/x
  3. Step 3: Cross multiply
    68,449.79x = 94,454.56 × 38,230.92
  4. Step 4: Simplify right side
    68,449.79x = 3,611,084,559.73
  5. Step 5: Solve for x
    x = 3,611,084,559.73/68,449.79
  6. Step 6: Final answer
    x = 52,755.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.