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Finding the Fourth Proportional to 68,694.80, 94,796.96 and 38,482.88

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Solution

The fourth proportional to 68,694.80, 94,796.96 and 38,482.88 is: 53,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,694.80 : 94,796.96 = 38,482.88 : x
  2. Step 2: Convert to fraction form
    68,694.80/94,796.96 = 38,482.88/x
  3. Step 3: Cross multiply
    68,694.80x = 94,796.96 × 38,482.88
  4. Step 4: Simplify right side
    68,694.80x = 3,648,060,036.04
  5. Step 5: Solve for x
    x = 3,648,060,036.04/68,694.80
  6. Step 6: Final answer
    x = 53,105.33

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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.