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Finding the Fourth Proportional to 62.96, 94.46 and 26.87

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Solution

The fourth proportional to 62.96, 94.46 and 26.87 is: 40.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.96 : 94.46 = 26.87 : x
  2. Step 2: Convert to fraction form
    62.96/94.46 = 26.87/x
  3. Step 3: Cross multiply
    62.96x = 94.46 × 26.87
  4. Step 4: Simplify right side
    62.96x = 2,537.53
  5. Step 5: Solve for x
    x = 2,537.53/62.96
  6. Step 6: Final answer
    x = 40.31

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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.