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Finding the Fourth Proportional to 35.83, 53.75 and 16.57

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Solution

The fourth proportional to 35.83, 53.75 and 16.57 is: 24.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.83 : 53.75 = 16.57 : x
  2. Step 2: Convert to fraction form
    35.83/53.75 = 16.57/x
  3. Step 3: Cross multiply
    35.83x = 53.75 × 16.57
  4. Step 4: Simplify right side
    35.83x = 890.29
  5. Step 5: Solve for x
    x = 890.29/35.83
  6. Step 6: Final answer
    x = 24.85

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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.