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Finding the Fourth Proportional to 29.77, 44.38 and 29.53

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Solution

The fourth proportional to 29.77, 44.38 and 29.53 is: 44.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.77 : 44.38 = 29.53 : x
  2. Step 2: Convert to fraction form
    29.77/44.38 = 29.53/x
  3. Step 3: Cross multiply
    29.77x = 44.38 × 29.53
  4. Step 4: Simplify right side
    29.77x = 1,310.59
  5. Step 5: Solve for x
    x = 1,310.59/29.77
  6. Step 6: Final answer
    x = 44.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.