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Finding the Fourth Proportional to 58.32, 80.43 and 44.48

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Solution

The fourth proportional to 58.32, 80.43 and 44.48 is: 61.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.32 : 80.43 = 44.48 : x
  2. Step 2: Convert to fraction form
    58.32/80.43 = 44.48/x
  3. Step 3: Cross multiply
    58.32x = 80.43 × 44.48
  4. Step 4: Simplify right side
    58.32x = 3,577.56
  5. Step 5: Solve for x
    x = 3,577.56/58.32
  6. Step 6: Final answer
    x = 61.34

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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.