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Finding the Fourth Proportional to 2,551.92, 3,827.89 and 703.23

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Solution

The fourth proportional to 2,551.92, 3,827.89 and 703.23 is: 1,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.92 : 3,827.89 = 703.23 : x
  2. Step 2: Convert to fraction form
    2,551.92/3,827.89 = 703.23/x
  3. Step 3: Cross multiply
    2,551.92x = 3,827.89 × 703.23
  4. Step 4: Simplify right side
    2,551.92x = 2,691,887.08
  5. Step 5: Solve for x
    x = 2,691,887.08/2,551.92
  6. Step 6: Final answer
    x = 1,054.85

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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.