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Finding the Fourth Proportional to 44.34, 66.35 and 34.13

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Solution

The fourth proportional to 44.34, 66.35 and 34.13 is: 51.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.34 : 66.35 = 34.13 : x
  2. Step 2: Convert to fraction form
    44.34/66.35 = 34.13/x
  3. Step 3: Cross multiply
    44.34x = 66.35 × 34.13
  4. Step 4: Simplify right side
    44.34x = 2,264.53
  5. Step 5: Solve for x
    x = 2,264.53/44.34
  6. Step 6: Final answer
    x = 51.07

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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.