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Finding the Fourth Proportional to 44.46, 66.70 and 36.94

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Solution

The fourth proportional to 44.46, 66.70 and 36.94 is: 55.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.46 : 66.70 = 36.94 : x
  2. Step 2: Convert to fraction form
    44.46/66.70 = 36.94/x
  3. Step 3: Cross multiply
    44.46x = 66.70 × 36.94
  4. Step 4: Simplify right side
    44.46x = 2,463.90
  5. Step 5: Solve for x
    x = 2,463.90/44.46
  6. Step 6: Final answer
    x = 55.42

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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.