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Finding the Fourth Proportional to 73, 109.50 and 62.44

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Solution

The fourth proportional to 73, 109.50 and 62.44 is: 93.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73 : 109.50 = 62.44 : x
  2. Step 2: Convert to fraction form
    73/109.50 = 62.44/x
  3. Step 3: Cross multiply
    73x = 109.50 × 62.44
  4. Step 4: Simplify right side
    73x = 6,837.18
  5. Step 5: Solve for x
    x = 6,837.18/73
  6. Step 6: Final answer
    x = 93.66

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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.