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Finding the Fourth Proportional to 62.40, 93.53 and 23.86

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Solution

The fourth proportional to 62.40, 93.53 and 23.86 is: 35.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.40 : 93.53 = 23.86 : x
  2. Step 2: Convert to fraction form
    62.40/93.53 = 23.86/x
  3. Step 3: Cross multiply
    62.40x = 93.53 × 23.86
  4. Step 4: Simplify right side
    62.40x = 2,231.16
  5. Step 5: Solve for x
    x = 2,231.16/62.40
  6. Step 6: Final answer
    x = 35.76

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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.