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Finding the Fourth Proportional to 6,661.98, 9,983.79 and 2,497.77

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Solution

The fourth proportional to 6,661.98, 9,983.79 and 2,497.77 is: 3,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.98 : 9,983.79 = 2,497.77 : x
  2. Step 2: Convert to fraction form
    6,661.98/9,983.79 = 2,497.77/x
  3. Step 3: Cross multiply
    6,661.98x = 9,983.79 × 2,497.77
  4. Step 4: Simplify right side
    6,661.98x = 24,937,211.15
  5. Step 5: Solve for x
    x = 24,937,211.15/6,661.98
  6. Step 6: Final answer
    x = 3,743.21

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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.