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Finding the Fourth Proportional to 65.46, 98.01 and 49.38

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Solution

The fourth proportional to 65.46, 98.01 and 49.38 is: 73.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.46 : 98.01 = 49.38 : x
  2. Step 2: Convert to fraction form
    65.46/98.01 = 49.38/x
  3. Step 3: Cross multiply
    65.46x = 98.01 × 49.38
  4. Step 4: Simplify right side
    65.46x = 4,839.73
  5. Step 5: Solve for x
    x = 4,839.73/65.46
  6. Step 6: Final answer
    x = 73.93

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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.