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Finding the Fourth Proportional to 44.54, 61.47 and 42.08

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Solution

The fourth proportional to 44.54, 61.47 and 42.08 is: 58.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.54 : 61.47 = 42.08 : x
  2. Step 2: Convert to fraction form
    44.54/61.47 = 42.08/x
  3. Step 3: Cross multiply
    44.54x = 61.47 × 42.08
  4. Step 4: Simplify right side
    44.54x = 2,586.66
  5. Step 5: Solve for x
    x = 2,586.66/44.54
  6. Step 6: Final answer
    x = 58.07

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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.