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Finding the Fourth Proportional to 6,659.45, 9,986.58 and 2,497.19

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Solution

The fourth proportional to 6,659.45, 9,986.58 and 2,497.19 is: 3,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.45 : 9,986.58 = 2,497.19 : x
  2. Step 2: Convert to fraction form
    6,659.45/9,986.58 = 2,497.19/x
  3. Step 3: Cross multiply
    6,659.45x = 9,986.58 × 2,497.19
  4. Step 4: Simplify right side
    6,659.45x = 24,938,387.71
  5. Step 5: Solve for x
    x = 24,938,387.71/6,659.45
  6. Step 6: Final answer
    x = 3,744.81

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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.