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Finding the Fourth Proportional to 7,793.85, 11,681.94 and 2,793.92

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Solution

The fourth proportional to 7,793.85, 11,681.94 and 2,793.92 is: 4,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.85 : 11,681.94 = 2,793.92 : x
  2. Step 2: Convert to fraction form
    7,793.85/11,681.94 = 2,793.92/x
  3. Step 3: Cross multiply
    7,793.85x = 11,681.94 × 2,793.92
  4. Step 4: Simplify right side
    7,793.85x = 32,638,347.40
  5. Step 5: Solve for x
    x = 32,638,347.40/7,793.85
  6. Step 6: Final answer
    x = 4,187.71

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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.