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Finding the Fourth Proportional to 29.58, 44.12 and 29.18

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Solution

The fourth proportional to 29.58, 44.12 and 29.18 is: 43.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.58 : 44.12 = 29.18 : x
  2. Step 2: Convert to fraction form
    29.58/44.12 = 29.18/x
  3. Step 3: Cross multiply
    29.58x = 44.12 × 29.18
  4. Step 4: Simplify right side
    29.58x = 1,287.06
  5. Step 5: Solve for x
    x = 1,287.06/29.58
  6. Step 6: Final answer
    x = 43.51

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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.