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Finding the Fourth Proportional to 62.66, 93.96 and 23.60

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Solution

The fourth proportional to 62.66, 93.96 and 23.60 is: 35.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.66 : 93.96 = 23.60 : x
  2. Step 2: Convert to fraction form
    62.66/93.96 = 23.60/x
  3. Step 3: Cross multiply
    62.66x = 93.96 × 23.60
  4. Step 4: Simplify right side
    62.66x = 2,217.34
  5. Step 5: Solve for x
    x = 2,217.34/62.66
  6. Step 6: Final answer
    x = 35.39

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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.