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Finding the Fourth Proportional to 44.46, 66.69 and 14.03

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Solution

The fourth proportional to 44.46, 66.69 and 14.03 is: 21.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.46 : 66.69 = 14.03 : x
  2. Step 2: Convert to fraction form
    44.46/66.69 = 14.03/x
  3. Step 3: Cross multiply
    44.46x = 66.69 × 14.03
  4. Step 4: Simplify right side
    44.46x = 935.49
  5. Step 5: Solve for x
    x = 935.49/44.46
  6. Step 6: Final answer
    x = 21.04

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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.