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Finding the Fourth Proportional to 62.86, 94.26 and 24.31

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Solution

The fourth proportional to 62.86, 94.26 and 24.31 is: 36.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.86 : 94.26 = 24.31 : x
  2. Step 2: Convert to fraction form
    62.86/94.26 = 24.31/x
  3. Step 3: Cross multiply
    62.86x = 94.26 × 24.31
  4. Step 4: Simplify right side
    62.86x = 2,291.36
  5. Step 5: Solve for x
    x = 2,291.36/62.86
  6. Step 6: Final answer
    x = 36.45

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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.