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Finding the Fourth Proportional to 6,490.88, 9,737.04 and 2,793.08

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Solution

The fourth proportional to 6,490.88, 9,737.04 and 2,793.08 is: 4,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.88 : 9,737.04 = 2,793.08 : x
  2. Step 2: Convert to fraction form
    6,490.88/9,737.04 = 2,793.08/x
  3. Step 3: Cross multiply
    6,490.88x = 9,737.04 × 2,793.08
  4. Step 4: Simplify right side
    6,490.88x = 27,196,331.68
  5. Step 5: Solve for x
    x = 27,196,331.68/6,490.88
  6. Step 6: Final answer
    x = 4,189.93

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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.