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Finding the Fourth Proportional to 35.57, 53.39 and 16.34

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Solution

The fourth proportional to 35.57, 53.39 and 16.34 is: 24.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.57 : 53.39 = 16.34 : x
  2. Step 2: Convert to fraction form
    35.57/53.39 = 16.34/x
  3. Step 3: Cross multiply
    35.57x = 53.39 × 16.34
  4. Step 4: Simplify right side
    35.57x = 872.17
  5. Step 5: Solve for x
    x = 872.17/35.57
  6. Step 6: Final answer
    x = 24.52

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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.