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Finding the Fourth Proportional to 44.47, 61.43 and 41.23

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Solution

The fourth proportional to 44.47, 61.43 and 41.23 is: 56.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.47 : 61.43 = 41.23 : x
  2. Step 2: Convert to fraction form
    44.47/61.43 = 41.23/x
  3. Step 3: Cross multiply
    44.47x = 61.43 × 41.23
  4. Step 4: Simplify right side
    44.47x = 2,532.76
  5. Step 5: Solve for x
    x = 2,532.76/44.47
  6. Step 6: Final answer
    x = 56.95

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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.