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Finding the Fourth Proportional to 49.14, 73.31 and 46.04

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Solution

The fourth proportional to 49.14, 73.31 and 46.04 is: 68.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.14 : 73.31 = 46.04 : x
  2. Step 2: Convert to fraction form
    49.14/73.31 = 46.04/x
  3. Step 3: Cross multiply
    49.14x = 73.31 × 46.04
  4. Step 4: Simplify right side
    49.14x = 3,374.60
  5. Step 5: Solve for x
    x = 3,374.60/49.14
  6. Step 6: Final answer
    x = 68.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.