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Finding the Fourth Proportional to 55.67, 83.50 and 35.35

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Solution

The fourth proportional to 55.67, 83.50 and 35.35 is: 53.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.67 : 83.50 = 35.35 : x
  2. Step 2: Convert to fraction form
    55.67/83.50 = 35.35/x
  3. Step 3: Cross multiply
    55.67x = 83.50 × 35.35
  4. Step 4: Simplify right side
    55.67x = 2,951.31
  5. Step 5: Solve for x
    x = 2,951.31/55.67
  6. Step 6: Final answer
    x = 53.02

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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.