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Finding the Fourth Proportional to 74.07, 102.23 and 44.96

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Solution

The fourth proportional to 74.07, 102.23 and 44.96 is: 62.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.07 : 102.23 = 44.96 : x
  2. Step 2: Convert to fraction form
    74.07/102.23 = 44.96/x
  3. Step 3: Cross multiply
    74.07x = 102.23 × 44.96
  4. Step 4: Simplify right side
    74.07x = 4,595.52
  5. Step 5: Solve for x
    x = 4,595.52/74.07
  6. Step 6: Final answer
    x = 62.04

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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.