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Finding the Fourth Proportional to 62.37, 93.42 and 36.70

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Solution

The fourth proportional to 62.37, 93.42 and 36.70 is: 54.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.37 : 93.42 = 36.70 : x
  2. Step 2: Convert to fraction form
    62.37/93.42 = 36.70/x
  3. Step 3: Cross multiply
    62.37x = 93.42 × 36.70
  4. Step 4: Simplify right side
    62.37x = 3,428.81
  5. Step 5: Solve for x
    x = 3,428.81/62.37
  6. Step 6: Final answer
    x = 54.98

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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.