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Finding the Fourth Proportional to 45.25, 62.45 and 32.32

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Solution

The fourth proportional to 45.25, 62.45 and 32.32 is: 44.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.25 : 62.45 = 32.32 : x
  2. Step 2: Convert to fraction form
    45.25/62.45 = 32.32/x
  3. Step 3: Cross multiply
    45.25x = 62.45 × 32.32
  4. Step 4: Simplify right side
    45.25x = 2,018.38
  5. Step 5: Solve for x
    x = 2,018.38/45.25
  6. Step 6: Final answer
    x = 44.61

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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.