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Finding the Fourth Proportional to 61.46, 92.22 and 29.36

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Solution

The fourth proportional to 61.46, 92.22 and 29.36 is: 44.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.46 : 92.22 = 29.36 : x
  2. Step 2: Convert to fraction form
    61.46/92.22 = 29.36/x
  3. Step 3: Cross multiply
    61.46x = 92.22 × 29.36
  4. Step 4: Simplify right side
    61.46x = 2,707.58
  5. Step 5: Solve for x
    x = 2,707.58/61.46
  6. Step 6: Final answer
    x = 44.05

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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.