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Finding the Fourth Proportional to 36,952.75, 55,414.75 and 11,986.76

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Solution

The fourth proportional to 36,952.75, 55,414.75 and 11,986.76 is: 17,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,952.75 : 55,414.75 = 11,986.76 : x
  2. Step 2: Convert to fraction form
    36,952.75/55,414.75 = 11,986.76/x
  3. Step 3: Cross multiply
    36,952.75x = 55,414.75 × 11,986.76
  4. Step 4: Simplify right side
    36,952.75x = 664,243,417.28
  5. Step 5: Solve for x
    x = 664,243,417.28/36,952.75
  6. Step 6: Final answer
    x = 17,975.48

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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.