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Finding the Fourth Proportional to 22,479.37, 33,739.75 and 11,393.91

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Solution

The fourth proportional to 22,479.37, 33,739.75 and 11,393.91 is: 17,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.37 : 33,739.75 = 11,393.91 : x
  2. Step 2: Convert to fraction form
    22,479.37/33,739.75 = 11,393.91/x
  3. Step 3: Cross multiply
    22,479.37x = 33,739.75 × 11,393.91
  4. Step 4: Simplify right side
    22,479.37x = 384,427,674.92
  5. Step 5: Solve for x
    x = 384,427,674.92/22,479.37
  6. Step 6: Final answer
    x = 17,101.36

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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.