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Finding the Fourth Proportional to 49.03, 73.68 and 25

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Solution

The fourth proportional to 49.03, 73.68 and 25 is: 37.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.03 : 73.68 = 25 : x
  2. Step 2: Convert to fraction form
    49.03/73.68 = 25/x
  3. Step 3: Cross multiply
    49.03x = 73.68 × 25
  4. Step 4: Simplify right side
    49.03x = 1,842.00
  5. Step 5: Solve for x
    x = 1,842.00/49.03
  6. Step 6: Final answer
    x = 37.57

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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.