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Finding the Fourth Proportional to 36.04, 49.68 and 23.08

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Solution

The fourth proportional to 36.04, 49.68 and 23.08 is: 31.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.04 : 49.68 = 23.08 : x
  2. Step 2: Convert to fraction form
    36.04/49.68 = 23.08/x
  3. Step 3: Cross multiply
    36.04x = 49.68 × 23.08
  4. Step 4: Simplify right side
    36.04x = 1,146.61
  5. Step 5: Solve for x
    x = 1,146.61/36.04
  6. Step 6: Final answer
    x = 31.82

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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.