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Finding the Fourth Proportional to 29.06, 43.50 and 26.64

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Solution

The fourth proportional to 29.06, 43.50 and 26.64 is: 39.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.06 : 43.50 = 26.64 : x
  2. Step 2: Convert to fraction form
    29.06/43.50 = 26.64/x
  3. Step 3: Cross multiply
    29.06x = 43.50 × 26.64
  4. Step 4: Simplify right side
    29.06x = 1,158.84
  5. Step 5: Solve for x
    x = 1,158.84/29.06
  6. Step 6: Final answer
    x = 39.88

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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.