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Finding the Fourth Proportional to 56.41, 84.49 and 44.93

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Solution

The fourth proportional to 56.41, 84.49 and 44.93 is: 67.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.41 : 84.49 = 44.93 : x
  2. Step 2: Convert to fraction form
    56.41/84.49 = 44.93/x
  3. Step 3: Cross multiply
    56.41x = 84.49 × 44.93
  4. Step 4: Simplify right side
    56.41x = 3,796.23
  5. Step 5: Solve for x
    x = 3,796.23/56.41
  6. Step 6: Final answer
    x = 67.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.