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Finding the Fourth Proportional to 44.68, 61.50 and 38.92

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Solution

The fourth proportional to 44.68, 61.50 and 38.92 is: 53.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.68 : 61.50 = 38.92 : x
  2. Step 2: Convert to fraction form
    44.68/61.50 = 38.92/x
  3. Step 3: Cross multiply
    44.68x = 61.50 × 38.92
  4. Step 4: Simplify right side
    44.68x = 2,393.58
  5. Step 5: Solve for x
    x = 2,393.58/44.68
  6. Step 6: Final answer
    x = 53.57

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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.