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Finding the Fourth Proportional to 49.13, 73.62 and 26.33

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Solution

The fourth proportional to 49.13, 73.62 and 26.33 is: 39.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.13 : 73.62 = 26.33 : x
  2. Step 2: Convert to fraction form
    49.13/73.62 = 26.33/x
  3. Step 3: Cross multiply
    49.13x = 73.62 × 26.33
  4. Step 4: Simplify right side
    49.13x = 1,938.05
  5. Step 5: Solve for x
    x = 1,938.05/49.13
  6. Step 6: Final answer
    x = 39.45

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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.