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Finding the Fourth Proportional to 46.48, 64.17 and 29

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Solution

The fourth proportional to 46.48, 64.17 and 29 is: 40.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.48 : 64.17 = 29 : x
  2. Step 2: Convert to fraction form
    46.48/64.17 = 29/x
  3. Step 3: Cross multiply
    46.48x = 64.17 × 29
  4. Step 4: Simplify right side
    46.48x = 1,860.93
  5. Step 5: Solve for x
    x = 1,860.93/46.48
  6. Step 6: Final answer
    x = 40.04

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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.