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Finding the Fourth Proportional to 25.34, 38.01 and 22.35

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Solution

The fourth proportional to 25.34, 38.01 and 22.35 is: 33.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.34 : 38.01 = 22.35 : x
  2. Step 2: Convert to fraction form
    25.34/38.01 = 22.35/x
  3. Step 3: Cross multiply
    25.34x = 38.01 × 22.35
  4. Step 4: Simplify right side
    25.34x = 849.52
  5. Step 5: Solve for x
    x = 849.52/25.34
  6. Step 6: Final answer
    x = 33.53

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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.