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Finding the Fourth Proportional to 68,282.58, 94,230.80 and 39,608.88

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Solution

The fourth proportional to 68,282.58, 94,230.80 and 39,608.88 is: 54,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.58 : 94,230.80 = 39,608.88 : x
  2. Step 2: Convert to fraction form
    68,282.58/94,230.80 = 39,608.88/x
  3. Step 3: Cross multiply
    68,282.58x = 94,230.80 × 39,608.88
  4. Step 4: Simplify right side
    68,282.58x = 3,732,376,251.46
  5. Step 5: Solve for x
    x = 3,732,376,251.46/68,282.58
  6. Step 6: Final answer
    x = 54,660.74

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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.