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Finding the Fourth Proportional to 25.26, 37.85 and 14.83

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Solution

The fourth proportional to 25.26, 37.85 and 14.83 is: 22.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.26 : 37.85 = 14.83 : x
  2. Step 2: Convert to fraction form
    25.26/37.85 = 14.83/x
  3. Step 3: Cross multiply
    25.26x = 37.85 × 14.83
  4. Step 4: Simplify right side
    25.26x = 561.26
  5. Step 5: Solve for x
    x = 561.26/25.26
  6. Step 6: Final answer
    x = 22.22

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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.