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Finding the Fourth Proportional to 44.47, 61.37 and 25.07

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Solution

The fourth proportional to 44.47, 61.37 and 25.07 is: 34.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.47 : 61.37 = 25.07 : x
  2. Step 2: Convert to fraction form
    44.47/61.37 = 25.07/x
  3. Step 3: Cross multiply
    44.47x = 61.37 × 25.07
  4. Step 4: Simplify right side
    44.47x = 1,538.24
  5. Step 5: Solve for x
    x = 1,538.24/44.47
  6. Step 6: Final answer
    x = 34.59

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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.