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Finding the Fourth Proportional to 45.24, 62.34 and 32.28

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Solution

The fourth proportional to 45.24, 62.34 and 32.28 is: 44.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.24 : 62.34 = 32.28 : x
  2. Step 2: Convert to fraction form
    45.24/62.34 = 32.28/x
  3. Step 3: Cross multiply
    45.24x = 62.34 × 32.28
  4. Step 4: Simplify right side
    45.24x = 2,012.34
  5. Step 5: Solve for x
    x = 2,012.34/45.24
  6. Step 6: Final answer
    x = 44.48

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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.