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Finding the Fourth Proportional to 44.52, 66.73 and 29.30

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Solution

The fourth proportional to 44.52, 66.73 and 29.30 is: 43.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.52 : 66.73 = 29.30 : x
  2. Step 2: Convert to fraction form
    44.52/66.73 = 29.30/x
  3. Step 3: Cross multiply
    44.52x = 66.73 × 29.30
  4. Step 4: Simplify right side
    44.52x = 1,955.19
  5. Step 5: Solve for x
    x = 1,955.19/44.52
  6. Step 6: Final answer
    x = 43.92

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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.