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Finding the Fourth Proportional to 56.50, 84.76 and 29.44

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Solution

The fourth proportional to 56.50, 84.76 and 29.44 is: 44.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.50 : 84.76 = 29.44 : x
  2. Step 2: Convert to fraction form
    56.50/84.76 = 29.44/x
  3. Step 3: Cross multiply
    56.50x = 84.76 × 29.44
  4. Step 4: Simplify right side
    56.50x = 2,495.33
  5. Step 5: Solve for x
    x = 2,495.33/56.50
  6. Step 6: Final answer
    x = 44.17

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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.