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Finding the Fourth Proportional to 44.02, 66 and 27.76

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Solution

The fourth proportional to 44.02, 66 and 27.76 is: 41.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.02 : 66 = 27.76 : x
  2. Step 2: Convert to fraction form
    44.02/66 = 27.76/x
  3. Step 3: Cross multiply
    44.02x = 66 × 27.76
  4. Step 4: Simplify right side
    44.02x = 1,832.16
  5. Step 5: Solve for x
    x = 1,832.16/44.02
  6. Step 6: Final answer
    x = 41.62

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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.