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Finding the Fourth Proportional to 35.61, 53.39 and 16.36

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Solution

The fourth proportional to 35.61, 53.39 and 16.36 is: 24.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.61 : 53.39 = 16.36 : x
  2. Step 2: Convert to fraction form
    35.61/53.39 = 16.36/x
  3. Step 3: Cross multiply
    35.61x = 53.39 × 16.36
  4. Step 4: Simplify right side
    35.61x = 873.37
  5. Step 5: Solve for x
    x = 873.37/35.61
  6. Step 6: Final answer
    x = 24.53

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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.