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Finding the Fourth Proportional to 46.73, 64.50 and 29.25

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Solution

The fourth proportional to 46.73, 64.50 and 29.25 is: 40.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.73 : 64.50 = 29.25 : x
  2. Step 2: Convert to fraction form
    46.73/64.50 = 29.25/x
  3. Step 3: Cross multiply
    46.73x = 64.50 × 29.25
  4. Step 4: Simplify right side
    46.73x = 1,886.63
  5. Step 5: Solve for x
    x = 1,886.63/46.73
  6. Step 6: Final answer
    x = 40.37

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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.