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Finding the Fourth Proportional to 3,276.94, 4,887.74 and 2,784.46

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Solution

The fourth proportional to 3,276.94, 4,887.74 and 2,784.46 is: 4,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.94 : 4,887.74 = 2,784.46 : x
  2. Step 2: Convert to fraction form
    3,276.94/4,887.74 = 2,784.46/x
  3. Step 3: Cross multiply
    3,276.94x = 4,887.74 × 2,784.46
  4. Step 4: Simplify right side
    3,276.94x = 13,609,716.52
  5. Step 5: Solve for x
    x = 13,609,716.52/3,276.94
  6. Step 6: Final answer
    x = 4,153.18

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.