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Finding the Fourth Proportional to 62.42, 93.56 and 62.12

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Solution

The fourth proportional to 62.42, 93.56 and 62.12 is: 93.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.42 : 93.56 = 62.12 : x
  2. Step 2: Convert to fraction form
    62.42/93.56 = 62.12/x
  3. Step 3: Cross multiply
    62.42x = 93.56 × 62.12
  4. Step 4: Simplify right side
    62.42x = 5,811.34
  5. Step 5: Solve for x
    x = 5,811.34/62.42
  6. Step 6: Final answer
    x = 93.10

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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.