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Finding the Fourth Proportional to 44.34, 61.23 and 34.05

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Solution

The fourth proportional to 44.34, 61.23 and 34.05 is: 47.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.34 : 61.23 = 34.05 : x
  2. Step 2: Convert to fraction form
    44.34/61.23 = 34.05/x
  3. Step 3: Cross multiply
    44.34x = 61.23 × 34.05
  4. Step 4: Simplify right side
    44.34x = 2,084.88
  5. Step 5: Solve for x
    x = 2,084.88/44.34
  6. Step 6: Final answer
    x = 47.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.