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Finding the Fourth Proportional to 3,107.71, 4,672.04 and 1,723.52

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Solution

The fourth proportional to 3,107.71, 4,672.04 and 1,723.52 is: 2,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.71 : 4,672.04 = 1,723.52 : x
  2. Step 2: Convert to fraction form
    3,107.71/4,672.04 = 1,723.52/x
  3. Step 3: Cross multiply
    3,107.71x = 4,672.04 × 1,723.52
  4. Step 4: Simplify right side
    3,107.71x = 8,052,322.40
  5. Step 5: Solve for x
    x = 8,052,322.40/3,107.71
  6. Step 6: Final answer
    x = 2,591.08

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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.