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Finding the Fourth Proportional to 73.98, 102.10 and 44.48

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Solution

The fourth proportional to 73.98, 102.10 and 44.48 is: 61.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.98 : 102.10 = 44.48 : x
  2. Step 2: Convert to fraction form
    73.98/102.10 = 44.48/x
  3. Step 3: Cross multiply
    73.98x = 102.10 × 44.48
  4. Step 4: Simplify right side
    73.98x = 4,541.17
  5. Step 5: Solve for x
    x = 4,541.17/73.98
  6. Step 6: Final answer
    x = 61.38

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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.