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Finding the Fourth Proportional to 46.12, 63.60 and 37.92

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Solution

The fourth proportional to 46.12, 63.60 and 37.92 is: 52.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.12 : 63.60 = 37.92 : x
  2. Step 2: Convert to fraction form
    46.12/63.60 = 37.92/x
  3. Step 3: Cross multiply
    46.12x = 63.60 × 37.92
  4. Step 4: Simplify right side
    46.12x = 2,411.71
  5. Step 5: Solve for x
    x = 2,411.71/46.12
  6. Step 6: Final answer
    x = 52.29

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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.