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Finding the Fourth Proportional to 58.68, 87.99 and 44.22

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Solution

The fourth proportional to 58.68, 87.99 and 44.22 is: 66.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.68 : 87.99 = 44.22 : x
  2. Step 2: Convert to fraction form
    58.68/87.99 = 44.22/x
  3. Step 3: Cross multiply
    58.68x = 87.99 × 44.22
  4. Step 4: Simplify right side
    58.68x = 3,890.92
  5. Step 5: Solve for x
    x = 3,890.92/58.68
  6. Step 6: Final answer
    x = 66.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.