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Finding the Fourth Proportional to 29.08, 43.40 and 26.95

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Solution

The fourth proportional to 29.08, 43.40 and 26.95 is: 40.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.08 : 43.40 = 26.95 : x
  2. Step 2: Convert to fraction form
    29.08/43.40 = 26.95/x
  3. Step 3: Cross multiply
    29.08x = 43.40 × 26.95
  4. Step 4: Simplify right side
    29.08x = 1,169.63
  5. Step 5: Solve for x
    x = 1,169.63/29.08
  6. Step 6: Final answer
    x = 40.22

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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.