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Finding the Fourth Proportional to 5,466.76, 8,201.43 and 1,768.70

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Solution

The fourth proportional to 5,466.76, 8,201.43 and 1,768.70 is: 2,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.76 : 8,201.43 = 1,768.70 : x
  2. Step 2: Convert to fraction form
    5,466.76/8,201.43 = 1,768.70/x
  3. Step 3: Cross multiply
    5,466.76x = 8,201.43 × 1,768.70
  4. Step 4: Simplify right side
    5,466.76x = 14,505,889.74
  5. Step 5: Solve for x
    x = 14,505,889.74/5,466.76
  6. Step 6: Final answer
    x = 2,653.47

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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.