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Finding the Fourth Proportional to 36,691.13, 55,057.86 and 19,824.19

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Solution

The fourth proportional to 36,691.13, 55,057.86 and 19,824.19 is: 29,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.13 : 55,057.86 = 19,824.19 : x
  2. Step 2: Convert to fraction form
    36,691.13/55,057.86 = 19,824.19/x
  3. Step 3: Cross multiply
    36,691.13x = 55,057.86 × 19,824.19
  4. Step 4: Simplify right side
    36,691.13x = 1,091,477,240.60
  5. Step 5: Solve for x
    x = 1,091,477,240.60/36,691.13
  6. Step 6: Final answer
    x = 29,747.71

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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.