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Finding the Fourth Proportional to 48.92, 73.32 and 35.39

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Solution

The fourth proportional to 48.92, 73.32 and 35.39 is: 53.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.92 : 73.32 = 35.39 : x
  2. Step 2: Convert to fraction form
    48.92/73.32 = 35.39/x
  3. Step 3: Cross multiply
    48.92x = 73.32 × 35.39
  4. Step 4: Simplify right side
    48.92x = 2,594.43
  5. Step 5: Solve for x
    x = 2,594.43/48.92
  6. Step 6: Final answer
    x = 53.04

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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.