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Finding the Fourth Proportional to 46.10, 68.99 and 25.47

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Solution

The fourth proportional to 46.10, 68.99 and 25.47 is: 38.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.10 : 68.99 = 25.47 : x
  2. Step 2: Convert to fraction form
    46.10/68.99 = 25.47/x
  3. Step 3: Cross multiply
    46.10x = 68.99 × 25.47
  4. Step 4: Simplify right side
    46.10x = 1,757.05
  5. Step 5: Solve for x
    x = 1,757.05/46.10
  6. Step 6: Final answer
    x = 38.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.