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Finding the Fourth Proportional to 29.47, 44.16 and 26.43

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Solution

The fourth proportional to 29.47, 44.16 and 26.43 is: 39.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.47 : 44.16 = 26.43 : x
  2. Step 2: Convert to fraction form
    29.47/44.16 = 26.43/x
  3. Step 3: Cross multiply
    29.47x = 44.16 × 26.43
  4. Step 4: Simplify right side
    29.47x = 1,167.15
  5. Step 5: Solve for x
    x = 1,167.15/29.47
  6. Step 6: Final answer
    x = 39.60

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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.