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Finding the Fourth Proportional to 46.74, 64.44 and 34.46

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Solution

The fourth proportional to 46.74, 64.44 and 34.46 is: 47.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.74 : 64.44 = 34.46 : x
  2. Step 2: Convert to fraction form
    46.74/64.44 = 34.46/x
  3. Step 3: Cross multiply
    46.74x = 64.44 × 34.46
  4. Step 4: Simplify right side
    46.74x = 2,220.60
  5. Step 5: Solve for x
    x = 2,220.60/46.74
  6. Step 6: Final answer
    x = 47.51

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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.