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Finding the Fourth Proportional to 44.42, 61.31 and 25.02

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Solution

The fourth proportional to 44.42, 61.31 and 25.02 is: 34.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.42 : 61.31 = 25.02 : x
  2. Step 2: Convert to fraction form
    44.42/61.31 = 25.02/x
  3. Step 3: Cross multiply
    44.42x = 61.31 × 25.02
  4. Step 4: Simplify right side
    44.42x = 1,533.54
  5. Step 5: Solve for x
    x = 1,533.54/44.42
  6. Step 6: Final answer
    x = 34.52

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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.