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Finding the Fourth Proportional to 8,332.62, 12,501.09 and 2,489.22

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Solution

The fourth proportional to 8,332.62, 12,501.09 and 2,489.22 is: 3,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.62 : 12,501.09 = 2,489.22 : x
  2. Step 2: Convert to fraction form
    8,332.62/12,501.09 = 2,489.22/x
  3. Step 3: Cross multiply
    8,332.62x = 12,501.09 × 2,489.22
  4. Step 4: Simplify right side
    8,332.62x = 31,117,963.25
  5. Step 5: Solve for x
    x = 31,117,963.25/8,332.62
  6. Step 6: Final answer
    x = 3,734.48

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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.