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Finding the Fourth Proportional to 35.50, 53.24 and 25.36

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Solution

The fourth proportional to 35.50, 53.24 and 25.36 is: 38.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.50 : 53.24 = 25.36 : x
  2. Step 2: Convert to fraction form
    35.50/53.24 = 25.36/x
  3. Step 3: Cross multiply
    35.50x = 53.24 × 25.36
  4. Step 4: Simplify right side
    35.50x = 1,350.17
  5. Step 5: Solve for x
    x = 1,350.17/35.50
  6. Step 6: Final answer
    x = 38.03

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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.