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Finding the Fourth Proportional to 52.29, 72.09 and 44.10

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Solution

The fourth proportional to 52.29, 72.09 and 44.10 is: 60.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.29 : 72.09 = 44.10 : x
  2. Step 2: Convert to fraction form
    52.29/72.09 = 44.10/x
  3. Step 3: Cross multiply
    52.29x = 72.09 × 44.10
  4. Step 4: Simplify right side
    52.29x = 3,179.17
  5. Step 5: Solve for x
    x = 3,179.17/52.29
  6. Step 6: Final answer
    x = 60.80

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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.