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Finding the Fourth Proportional to 62.15, 93.14 and 60.94

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Solution

The fourth proportional to 62.15, 93.14 and 60.94 is: 91.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.15 : 93.14 = 60.94 : x
  2. Step 2: Convert to fraction form
    62.15/93.14 = 60.94/x
  3. Step 3: Cross multiply
    62.15x = 93.14 × 60.94
  4. Step 4: Simplify right side
    62.15x = 5,675.18
  5. Step 5: Solve for x
    x = 5,675.18/62.15
  6. Step 6: Final answer
    x = 91.31

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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.