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Finding the Fourth Proportional to 62.55, 93.66 and 35.46

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Solution

The fourth proportional to 62.55, 93.66 and 35.46 is: 53.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.55 : 93.66 = 35.46 : x
  2. Step 2: Convert to fraction form
    62.55/93.66 = 35.46/x
  3. Step 3: Cross multiply
    62.55x = 93.66 × 35.46
  4. Step 4: Simplify right side
    62.55x = 3,321.05
  5. Step 5: Solve for x
    x = 3,321.05/62.55
  6. Step 6: Final answer
    x = 53.09

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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.