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Finding the Fourth Proportional to 52.01, 71.80 and 33.62

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Solution

The fourth proportional to 52.01, 71.80 and 33.62 is: 46.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.01 : 71.80 = 33.62 : x
  2. Step 2: Convert to fraction form
    52.01/71.80 = 33.62/x
  3. Step 3: Cross multiply
    52.01x = 71.80 × 33.62
  4. Step 4: Simplify right side
    52.01x = 2,414.07
  5. Step 5: Solve for x
    x = 2,414.07/52.01
  6. Step 6: Final answer
    x = 46.42

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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.