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Finding the Fourth Proportional to 58.79, 81.18 and 44.96

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Solution

The fourth proportional to 58.79, 81.18 and 44.96 is: 62.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.79 : 81.18 = 44.96 : x
  2. Step 2: Convert to fraction form
    58.79/81.18 = 44.96/x
  3. Step 3: Cross multiply
    58.79x = 81.18 × 44.96
  4. Step 4: Simplify right side
    58.79x = 3,649.32
  5. Step 5: Solve for x
    x = 3,649.32/58.79
  6. Step 6: Final answer
    x = 62.07

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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.