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Finding the Fourth Proportional to 62.39, 93.60 and 35.31

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Solution

The fourth proportional to 62.39, 93.60 and 35.31 is: 52.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.39 : 93.60 = 35.31 : x
  2. Step 2: Convert to fraction form
    62.39/93.60 = 35.31/x
  3. Step 3: Cross multiply
    62.39x = 93.60 × 35.31
  4. Step 4: Simplify right side
    62.39x = 3,304.37
  5. Step 5: Solve for x
    x = 3,304.37/62.39
  6. Step 6: Final answer
    x = 52.96

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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.