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Finding the Fourth Proportional to 29.30, 40.44 and 26.52

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Solution

The fourth proportional to 29.30, 40.44 and 26.52 is: 36.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.30 : 40.44 = 26.52 : x
  2. Step 2: Convert to fraction form
    29.30/40.44 = 26.52/x
  3. Step 3: Cross multiply
    29.30x = 40.44 × 26.52
  4. Step 4: Simplify right side
    29.30x = 1,072.47
  5. Step 5: Solve for x
    x = 1,072.47/29.30
  6. Step 6: Final answer
    x = 36.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.