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Finding the Fourth Proportional to 62.45, 93.66 and 33.53

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Solution

The fourth proportional to 62.45, 93.66 and 33.53 is: 50.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.45 : 93.66 = 33.53 : x
  2. Step 2: Convert to fraction form
    62.45/93.66 = 33.53/x
  3. Step 3: Cross multiply
    62.45x = 93.66 × 33.53
  4. Step 4: Simplify right side
    62.45x = 3,139.83
  5. Step 5: Solve for x
    x = 3,139.83/62.45
  6. Step 6: Final answer
    x = 50.28

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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.