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Finding the Fourth Proportional to 44.02, 66.04 and 15.52

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Solution

The fourth proportional to 44.02, 66.04 and 15.52 is: 23.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.02 : 66.04 = 15.52 : x
  2. Step 2: Convert to fraction form
    44.02/66.04 = 15.52/x
  3. Step 3: Cross multiply
    44.02x = 66.04 × 15.52
  4. Step 4: Simplify right side
    44.02x = 1,024.94
  5. Step 5: Solve for x
    x = 1,024.94/44.02
  6. Step 6: Final answer
    x = 23.28

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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.