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Finding the Fourth Proportional to 68,052.80, 102,080.82 and 25,927.40

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Solution

The fourth proportional to 68,052.80, 102,080.82 and 25,927.40 is: 38,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,052.80 : 102,080.82 = 25,927.40 : x
  2. Step 2: Convert to fraction form
    68,052.80/102,080.82 = 25,927.40/x
  3. Step 3: Cross multiply
    68,052.80x = 102,080.82 × 25,927.40
  4. Step 4: Simplify right side
    68,052.80x = 2,646,690,252.47
  5. Step 5: Solve for x
    x = 2,646,690,252.47/68,052.80
  6. Step 6: Final answer
    x = 38,891.72

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1.5x scale

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.