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Finding the Fourth Proportional to 68,251.80, 94,186.04 and 38,039.88

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Solution

The fourth proportional to 68,251.80, 94,186.04 and 38,039.88 is: 52,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,251.80 : 94,186.04 = 38,039.88 : x
  2. Step 2: Convert to fraction form
    68,251.80/94,186.04 = 38,039.88/x
  3. Step 3: Cross multiply
    68,251.80x = 94,186.04 × 38,039.88
  4. Step 4: Simplify right side
    68,251.80x = 3,582,825,659.28
  5. Step 5: Solve for x
    x = 3,582,825,659.28/68,251.80
  6. Step 6: Final answer
    x = 52,494.23

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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.