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Finding the Fourth Proportional to 29.60, 44.62 and 29.55

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Solution

The fourth proportional to 29.60, 44.62 and 29.55 is: 44.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.60 : 44.62 = 29.55 : x
  2. Step 2: Convert to fraction form
    29.60/44.62 = 29.55/x
  3. Step 3: Cross multiply
    29.60x = 44.62 × 29.55
  4. Step 4: Simplify right side
    29.60x = 1,318.52
  5. Step 5: Solve for x
    x = 1,318.52/29.60
  6. Step 6: Final answer
    x = 44.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.