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Finding the Fourth Proportional to 44.37, 66.45 and 34.76

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Solution

The fourth proportional to 44.37, 66.45 and 34.76 is: 52.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.37 : 66.45 = 34.76 : x
  2. Step 2: Convert to fraction form
    44.37/66.45 = 34.76/x
  3. Step 3: Cross multiply
    44.37x = 66.45 × 34.76
  4. Step 4: Simplify right side
    44.37x = 2,309.30
  5. Step 5: Solve for x
    x = 2,309.30/44.37
  6. Step 6: Final answer
    x = 52.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.