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Finding the Fourth Proportional to 58.64, 80.68 and 44

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Solution

The fourth proportional to 58.64, 80.68 and 44 is: 60.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.64 : 80.68 = 44 : x
  2. Step 2: Convert to fraction form
    58.64/80.68 = 44/x
  3. Step 3: Cross multiply
    58.64x = 80.68 × 44
  4. Step 4: Simplify right side
    58.64x = 3,549.92
  5. Step 5: Solve for x
    x = 3,549.92/58.64
  6. Step 6: Final answer
    x = 60.54

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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.