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Finding the Fourth Proportional to 3,296.14, 4,932.60 and 2,776.66

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Solution

The fourth proportional to 3,296.14, 4,932.60 and 2,776.66 is: 4,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.14 : 4,932.60 = 2,776.66 : x
  2. Step 2: Convert to fraction form
    3,296.14/4,932.60 = 2,776.66/x
  3. Step 3: Cross multiply
    3,296.14x = 4,932.60 × 2,776.66
  4. Step 4: Simplify right side
    3,296.14x = 13,696,153.12
  5. Step 5: Solve for x
    x = 13,696,153.12/3,296.14
  6. Step 6: Final answer
    x = 4,155.21

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Why These Related Problems?

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