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Finding the Fourth Proportional to 62.44, 93.17 and 56.68

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Solution

The fourth proportional to 62.44, 93.17 and 56.68 is: 84.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 93.17 = 56.68 : x
  2. Step 2: Convert to fraction form
    62.44/93.17 = 56.68/x
  3. Step 3: Cross multiply
    62.44x = 93.17 × 56.68
  4. Step 4: Simplify right side
    62.44x = 5,280.88
  5. Step 5: Solve for x
    x = 5,280.88/62.44
  6. Step 6: Final answer
    x = 84.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.