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Finding the Fourth Proportional to 6,285.48, 8,673.78 and 3,633.72

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Solution

The fourth proportional to 6,285.48, 8,673.78 and 3,633.72 is: 5,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.48 : 8,673.78 = 3,633.72 : x
  2. Step 2: Convert to fraction form
    6,285.48/8,673.78 = 3,633.72/x
  3. Step 3: Cross multiply
    6,285.48x = 8,673.78 × 3,633.72
  4. Step 4: Simplify right side
    6,285.48x = 31,518,087.86
  5. Step 5: Solve for x
    x = 31,518,087.86/6,285.48
  6. Step 6: Final answer
    x = 5,014.43

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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.