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Finding the Fourth Proportional to 62.63, 93.92 and 26.54

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Solution

The fourth proportional to 62.63, 93.92 and 26.54 is: 39.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.63 : 93.92 = 26.54 : x
  2. Step 2: Convert to fraction form
    62.63/93.92 = 26.54/x
  3. Step 3: Cross multiply
    62.63x = 93.92 × 26.54
  4. Step 4: Simplify right side
    62.63x = 2,492.74
  5. Step 5: Solve for x
    x = 2,492.74/62.63
  6. Step 6: Final answer
    x = 39.80

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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.