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Finding the Fourth Proportional to 67,049.58, 100,574.37 and 17,129.79

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Solution

The fourth proportional to 67,049.58, 100,574.37 and 17,129.79 is: 25,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,049.58 : 100,574.37 = 17,129.79 : x
  2. Step 2: Convert to fraction form
    67,049.58/100,574.37 = 17,129.79/x
  3. Step 3: Cross multiply
    67,049.58x = 100,574.37 × 17,129.79
  4. Step 4: Simplify right side
    67,049.58x = 1,722,817,837.48
  5. Step 5: Solve for x
    x = 1,722,817,837.48/67,049.58
  6. Step 6: Final answer
    x = 25,694.69

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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.