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Finding the Fourth Proportional to 69,521.58, 104,287.86 and 27,398.79

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Solution

The fourth proportional to 69,521.58, 104,287.86 and 27,398.79 is: 41,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521.58 : 104,287.86 = 27,398.79 : x
  2. Step 2: Convert to fraction form
    69,521.58/104,287.86 = 27,398.79/x
  3. Step 3: Cross multiply
    69,521.58x = 104,287.86 × 27,398.79
  4. Step 4: Simplify right side
    69,521.58x = 2,857,361,175.69
  5. Step 5: Solve for x
    x = 2,857,361,175.69/69,521.58
  6. Step 6: Final answer
    x = 41,100.35

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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.