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Finding the Fourth Proportional to 6,488.67, 8,953.77 and 3,800.22

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Solution

The fourth proportional to 6,488.67, 8,953.77 and 3,800.22 is: 5,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.67 : 8,953.77 = 3,800.22 : x
  2. Step 2: Convert to fraction form
    6,488.67/8,953.77 = 3,800.22/x
  3. Step 3: Cross multiply
    6,488.67x = 8,953.77 × 3,800.22
  4. Step 4: Simplify right side
    6,488.67x = 34,026,295.83
  5. Step 5: Solve for x
    x = 34,026,295.83/6,488.67
  6. Step 6: Final answer
    x = 5,243.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.