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Finding the Fourth Proportional to 44.30, 61.01 and 43.36

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Solution

The fourth proportional to 44.30, 61.01 and 43.36 is: 59.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.30 : 61.01 = 43.36 : x
  2. Step 2: Convert to fraction form
    44.30/61.01 = 43.36/x
  3. Step 3: Cross multiply
    44.30x = 61.01 × 43.36
  4. Step 4: Simplify right side
    44.30x = 2,645.39
  5. Step 5: Solve for x
    x = 2,645.39/44.30
  6. Step 6: Final answer
    x = 59.72

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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.