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Finding the Fourth Proportional to 37.11, 51.16 and 26.22

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Solution

The fourth proportional to 37.11, 51.16 and 26.22 is: 36.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.11 : 51.16 = 26.22 : x
  2. Step 2: Convert to fraction form
    37.11/51.16 = 26.22/x
  3. Step 3: Cross multiply
    37.11x = 51.16 × 26.22
  4. Step 4: Simplify right side
    37.11x = 1,341.42
  5. Step 5: Solve for x
    x = 1,341.42/37.11
  6. Step 6: Final answer
    x = 36.15

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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.