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Finding the Fourth Proportional to 34.47, 47.26 and 33.99

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Solution

The fourth proportional to 34.47, 47.26 and 33.99 is: 46.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.47 : 47.26 = 33.99 : x
  2. Step 2: Convert to fraction form
    34.47/47.26 = 33.99/x
  3. Step 3: Cross multiply
    34.47x = 47.26 × 33.99
  4. Step 4: Simplify right side
    34.47x = 1,606.28
  5. Step 5: Solve for x
    x = 1,606.28/34.47
  6. Step 6: Final answer
    x = 46.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.