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Finding the Fourth Proportional to 8,243.01, 12,363.60 and 2,320.08

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Solution

The fourth proportional to 8,243.01, 12,363.60 and 2,320.08 is: 3,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.01 : 12,363.60 = 2,320.08 : x
  2. Step 2: Convert to fraction form
    8,243.01/12,363.60 = 2,320.08/x
  3. Step 3: Cross multiply
    8,243.01x = 12,363.60 × 2,320.08
  4. Step 4: Simplify right side
    8,243.01x = 28,684,529.49
  5. Step 5: Solve for x
    x = 28,684,529.49/8,243.01
  6. Step 6: Final answer
    x = 3,479.86

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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.