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Finding the Fourth Proportional to 58.44, 80.62 and 48.04

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Solution

The fourth proportional to 58.44, 80.62 and 48.04 is: 66.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.44 : 80.62 = 48.04 : x
  2. Step 2: Convert to fraction form
    58.44/80.62 = 48.04/x
  3. Step 3: Cross multiply
    58.44x = 80.62 × 48.04
  4. Step 4: Simplify right side
    58.44x = 3,872.98
  5. Step 5: Solve for x
    x = 3,872.98/58.44
  6. Step 6: Final answer
    x = 66.27

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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.