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Finding the Fourth Proportional to 67,247.19, 100,883.07 and 27,782.91

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Solution

The fourth proportional to 67,247.19, 100,883.07 and 27,782.91 is: 41,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.19 : 100,883.07 = 27,782.91 : x
  2. Step 2: Convert to fraction form
    67,247.19/100,883.07 = 27,782.91/x
  3. Step 3: Cross multiply
    67,247.19x = 100,883.07 × 27,782.91
  4. Step 4: Simplify right side
    67,247.19x = 2,802,825,254.33
  5. Step 5: Solve for x
    x = 2,802,825,254.33/67,247.19
  6. Step 6: Final answer
    x = 41,679.44

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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.