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Finding the Fourth Proportional to 35.53, 53.24 and 25.34

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Solution

The fourth proportional to 35.53, 53.24 and 25.34 is: 37.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.53 : 53.24 = 25.34 : x
  2. Step 2: Convert to fraction form
    35.53/53.24 = 25.34/x
  3. Step 3: Cross multiply
    35.53x = 53.24 × 25.34
  4. Step 4: Simplify right side
    35.53x = 1,348.71
  5. Step 5: Solve for x
    x = 1,348.71/35.53
  6. Step 6: Final answer
    x = 37.96

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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.