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Finding the Fourth Proportional to 52.41, 72.39 and 44.63

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Solution

The fourth proportional to 52.41, 72.39 and 44.63 is: 61.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.41 : 72.39 = 44.63 : x
  2. Step 2: Convert to fraction form
    52.41/72.39 = 44.63/x
  3. Step 3: Cross multiply
    52.41x = 72.39 × 44.63
  4. Step 4: Simplify right side
    52.41x = 3,230.40
  5. Step 5: Solve for x
    x = 3,230.40/52.41
  6. Step 6: Final answer
    x = 61.64

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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.