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Finding the Fourth Proportional to 44.99, 67.47 and 44.22

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Solution

The fourth proportional to 44.99, 67.47 and 44.22 is: 66.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.99 : 67.47 = 44.22 : x
  2. Step 2: Convert to fraction form
    44.99/67.47 = 44.22/x
  3. Step 3: Cross multiply
    44.99x = 67.47 × 44.22
  4. Step 4: Simplify right side
    44.99x = 2,983.52
  5. Step 5: Solve for x
    x = 2,983.52/44.99
  6. Step 6: Final answer
    x = 66.32

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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.