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Finding the Fourth Proportional to 75.33, 103.95 and 44.24

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Solution

The fourth proportional to 75.33, 103.95 and 44.24 is: 61.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.33 : 103.95 = 44.24 : x
  2. Step 2: Convert to fraction form
    75.33/103.95 = 44.24/x
  3. Step 3: Cross multiply
    75.33x = 103.95 × 44.24
  4. Step 4: Simplify right side
    75.33x = 4,598.75
  5. Step 5: Solve for x
    x = 4,598.75/75.33
  6. Step 6: Final answer
    x = 61.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.