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Finding the Fourth Proportional to 36.95, 51.01 and 36.72

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Solution

The fourth proportional to 36.95, 51.01 and 36.72 is: 50.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.95 : 51.01 = 36.72 : x
  2. Step 2: Convert to fraction form
    36.95/51.01 = 36.72/x
  3. Step 3: Cross multiply
    36.95x = 51.01 × 36.72
  4. Step 4: Simplify right side
    36.95x = 1,873.00
  5. Step 5: Solve for x
    x = 1,873.00/36.95
  6. Step 6: Final answer
    x = 50.70

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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.