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Finding the Fourth Proportional to 46.09, 63.55 and 29.48

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Solution

The fourth proportional to 46.09, 63.55 and 29.48 is: 40.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.09 : 63.55 = 29.48 : x
  2. Step 2: Convert to fraction form
    46.09/63.55 = 29.48/x
  3. Step 3: Cross multiply
    46.09x = 63.55 × 29.48
  4. Step 4: Simplify right side
    46.09x = 1,873.53
  5. Step 5: Solve for x
    x = 1,873.53/46.09
  6. Step 6: Final answer
    x = 40.65

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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.