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Finding the Fourth Proportional to 36,758.08, 50,726.28 and 19,991.08

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Solution

The fourth proportional to 36,758.08, 50,726.28 and 19,991.08 is: 27,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.08 : 50,726.28 = 19,991.08 : x
  2. Step 2: Convert to fraction form
    36,758.08/50,726.28 = 19,991.08/x
  3. Step 3: Cross multiply
    36,758.08x = 50,726.28 × 19,991.08
  4. Step 4: Simplify right side
    36,758.08x = 1,014,073,121.58
  5. Step 5: Solve for x
    x = 1,014,073,121.58/36,758.08
  6. Step 6: Final answer
    x = 27,587.76

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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.