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Finding the Fourth Proportional to 48.12, 66.05 and 44.44

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Solution

The fourth proportional to 48.12, 66.05 and 44.44 is: 61.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.12 : 66.05 = 44.44 : x
  2. Step 2: Convert to fraction form
    48.12/66.05 = 44.44/x
  3. Step 3: Cross multiply
    48.12x = 66.05 × 44.44
  4. Step 4: Simplify right side
    48.12x = 2,935.26
  5. Step 5: Solve for x
    x = 2,935.26/48.12
  6. Step 6: Final answer
    x = 61.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.