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Finding the Fourth Proportional to 6,485.83, 8,950.46 and 3,834.55

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Solution

The fourth proportional to 6,485.83, 8,950.46 and 3,834.55 is: 5,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.83 : 8,950.46 = 3,834.55 : x
  2. Step 2: Convert to fraction form
    6,485.83/8,950.46 = 3,834.55/x
  3. Step 3: Cross multiply
    6,485.83x = 8,950.46 × 3,834.55
  4. Step 4: Simplify right side
    6,485.83x = 34,320,967.22
  5. Step 5: Solve for x
    x = 34,320,967.22/6,485.83
  6. Step 6: Final answer
    x = 5,291.68

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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.