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Finding the Fourth Proportional to 48.93, 73.49 and 35.43

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Solution

The fourth proportional to 48.93, 73.49 and 35.43 is: 53.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.93 : 73.49 = 35.43 : x
  2. Step 2: Convert to fraction form
    48.93/73.49 = 35.43/x
  3. Step 3: Cross multiply
    48.93x = 73.49 × 35.43
  4. Step 4: Simplify right side
    48.93x = 2,603.57
  5. Step 5: Solve for x
    x = 2,603.57/48.93
  6. Step 6: Final answer
    x = 53.21

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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.