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Finding the Fourth Proportional to 62.27, 93.40 and 26.18

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Solution

The fourth proportional to 62.27, 93.40 and 26.18 is: 39.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.27 : 93.40 = 26.18 : x
  2. Step 2: Convert to fraction form
    62.27/93.40 = 26.18/x
  3. Step 3: Cross multiply
    62.27x = 93.40 × 26.18
  4. Step 4: Simplify right side
    62.27x = 2,445.21
  5. Step 5: Solve for x
    x = 2,445.21/62.27
  6. Step 6: Final answer
    x = 39.27

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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.