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Finding the Fourth Proportional to 7,793.88, 10,748.05 and 5,247.37

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Solution

The fourth proportional to 7,793.88, 10,748.05 and 5,247.37 is: 7,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.88 : 10,748.05 = 5,247.37 : x
  2. Step 2: Convert to fraction form
    7,793.88/10,748.05 = 5,247.37/x
  3. Step 3: Cross multiply
    7,793.88x = 10,748.05 × 5,247.37
  4. Step 4: Simplify right side
    7,793.88x = 56,398,995.13
  5. Step 5: Solve for x
    x = 56,398,995.13/7,793.88
  6. Step 6: Final answer
    x = 7,236.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.