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Finding the Fourth Proportional to 44.43, 61.59 and 42.45

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Solution

The fourth proportional to 44.43, 61.59 and 42.45 is: 58.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 61.59 = 42.45 : x
  2. Step 2: Convert to fraction form
    44.43/61.59 = 42.45/x
  3. Step 3: Cross multiply
    44.43x = 61.59 × 42.45
  4. Step 4: Simplify right side
    44.43x = 2,614.50
  5. Step 5: Solve for x
    x = 2,614.50/44.43
  6. Step 6: Final answer
    x = 58.85

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.