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Finding the Fourth Proportional to 44.72, 61.75 and 36.93

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Solution

The fourth proportional to 44.72, 61.75 and 36.93 is: 50.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.72 : 61.75 = 36.93 : x
  2. Step 2: Convert to fraction form
    44.72/61.75 = 36.93/x
  3. Step 3: Cross multiply
    44.72x = 61.75 × 36.93
  4. Step 4: Simplify right side
    44.72x = 2,280.43
  5. Step 5: Solve for x
    x = 2,280.43/44.72
  6. Step 6: Final answer
    x = 50.99

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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.