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Finding the Fourth Proportional to 62.72, 93.58 and 62.24

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Solution

The fourth proportional to 62.72, 93.58 and 62.24 is: 92.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.72 : 93.58 = 62.24 : x
  2. Step 2: Convert to fraction form
    62.72/93.58 = 62.24/x
  3. Step 3: Cross multiply
    62.72x = 93.58 × 62.24
  4. Step 4: Simplify right side
    62.72x = 5,824.42
  5. Step 5: Solve for x
    x = 5,824.42/62.72
  6. Step 6: Final answer
    x = 92.86

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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.