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Finding the Fourth Proportional to 62.63, 93.70 and 36.96

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Solution

The fourth proportional to 62.63, 93.70 and 36.96 is: 55.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.63 : 93.70 = 36.96 : x
  2. Step 2: Convert to fraction form
    62.63/93.70 = 36.96/x
  3. Step 3: Cross multiply
    62.63x = 93.70 × 36.96
  4. Step 4: Simplify right side
    62.63x = 3,463.15
  5. Step 5: Solve for x
    x = 3,463.15/62.63
  6. Step 6: Final answer
    x = 55.30

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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.