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Finding the Fourth Proportional to 36,698.96, 55,053.90 and 11,736.78

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Solution

The fourth proportional to 36,698.96, 55,053.90 and 11,736.78 is: 17,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.96 : 55,053.90 = 11,736.78 : x
  2. Step 2: Convert to fraction form
    36,698.96/55,053.90 = 11,736.78/x
  3. Step 3: Cross multiply
    36,698.96x = 55,053.90 × 11,736.78
  4. Step 4: Simplify right side
    36,698.96x = 646,155,512.44
  5. Step 5: Solve for x
    x = 646,155,512.44/36,698.96
  6. Step 6: Final answer
    x = 17,606.92

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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.