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Finding the Fourth Proportional to 62.74, 94.59 and 62.22

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Solution

The fourth proportional to 62.74, 94.59 and 62.22 is: 93.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.74 : 94.59 = 62.22 : x
  2. Step 2: Convert to fraction form
    62.74/94.59 = 62.22/x
  3. Step 3: Cross multiply
    62.74x = 94.59 × 62.22
  4. Step 4: Simplify right side
    62.74x = 5,885.39
  5. Step 5: Solve for x
    x = 5,885.39/62.74
  6. Step 6: Final answer
    x = 93.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.