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Finding the Fourth Proportional to 45.34, 67.46 and 44.52

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Solution

The fourth proportional to 45.34, 67.46 and 44.52 is: 66.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.34 : 67.46 = 44.52 : x
  2. Step 2: Convert to fraction form
    45.34/67.46 = 44.52/x
  3. Step 3: Cross multiply
    45.34x = 67.46 × 44.52
  4. Step 4: Simplify right side
    45.34x = 3,003.32
  5. Step 5: Solve for x
    x = 3,003.32/45.34
  6. Step 6: Final answer
    x = 66.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.