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Finding the Fourth Proportional to 62.13, 93.06 and 30

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Solution

The fourth proportional to 62.13, 93.06 and 30 is: 44.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.13 : 93.06 = 30 : x
  2. Step 2: Convert to fraction form
    62.13/93.06 = 30/x
  3. Step 3: Cross multiply
    62.13x = 93.06 × 30
  4. Step 4: Simplify right side
    62.13x = 2,791.80
  5. Step 5: Solve for x
    x = 2,791.80/62.13
  6. Step 6: Final answer
    x = 44.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.