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Finding the Fourth Proportional to 62, 93.04 and 55.28

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Solution

The fourth proportional to 62, 93.04 and 55.28 is: 82.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62 : 93.04 = 55.28 : x
  2. Step 2: Convert to fraction form
    62/93.04 = 55.28/x
  3. Step 3: Cross multiply
    62x = 93.04 × 55.28
  4. Step 4: Simplify right side
    62x = 5,143.25
  5. Step 5: Solve for x
    x = 5,143.25/62
  6. Step 6: Final answer
    x = 82.96

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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.