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Finding the Fourth Proportional to 44.76, 67.46 and 44.58

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Solution

The fourth proportional to 44.76, 67.46 and 44.58 is: 67.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.76 : 67.46 = 44.58 : x
  2. Step 2: Convert to fraction form
    44.76/67.46 = 44.58/x
  3. Step 3: Cross multiply
    44.76x = 67.46 × 44.58
  4. Step 4: Simplify right side
    44.76x = 3,007.37
  5. Step 5: Solve for x
    x = 3,007.37/44.76
  6. Step 6: Final answer
    x = 67.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.