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Finding the Fourth Proportional to 62.23, 93.36 and 26.15

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Solution

The fourth proportional to 62.23, 93.36 and 26.15 is: 39.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.23 : 93.36 = 26.15 : x
  2. Step 2: Convert to fraction form
    62.23/93.36 = 26.15/x
  3. Step 3: Cross multiply
    62.23x = 93.36 × 26.15
  4. Step 4: Simplify right side
    62.23x = 2,441.36
  5. Step 5: Solve for x
    x = 2,441.36/62.23
  6. Step 6: Final answer
    x = 39.23

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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.