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Finding the Fourth Proportional to 4,197.76, 6,296.32 and 1,276.08

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Solution

The fourth proportional to 4,197.76, 6,296.32 and 1,276.08 is: 1,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.76 : 6,296.32 = 1,276.08 : x
  2. Step 2: Convert to fraction form
    4,197.76/6,296.32 = 1,276.08/x
  3. Step 3: Cross multiply
    4,197.76x = 6,296.32 × 1,276.08
  4. Step 4: Simplify right side
    4,197.76x = 8,034,608.03
  5. Step 5: Solve for x
    x = 8,034,608.03/4,197.76
  6. Step 6: Final answer
    x = 1,914.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.