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Finding the Fourth Proportional to 52.81, 79.23 and 23.95

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Solution

The fourth proportional to 52.81, 79.23 and 23.95 is: 35.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.81 : 79.23 = 23.95 : x
  2. Step 2: Convert to fraction form
    52.81/79.23 = 23.95/x
  3. Step 3: Cross multiply
    52.81x = 79.23 × 23.95
  4. Step 4: Simplify right side
    52.81x = 1,897.56
  5. Step 5: Solve for x
    x = 1,897.56/52.81
  6. Step 6: Final answer
    x = 35.93

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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.