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Finding the Fourth Proportional to 44.02, 66.05 and 23.74

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Solution

The fourth proportional to 44.02, 66.05 and 23.74 is: 35.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.02 : 66.05 = 23.74 : x
  2. Step 2: Convert to fraction form
    44.02/66.05 = 23.74/x
  3. Step 3: Cross multiply
    44.02x = 66.05 × 23.74
  4. Step 4: Simplify right side
    44.02x = 1,567.70
  5. Step 5: Solve for x
    x = 1,567.70/44.02
  6. Step 6: Final answer
    x = 35.62

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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.