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Finding the Fourth Proportional to 8,237.94, 12,358.15 and 2,393.79

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Solution

The fourth proportional to 8,237.94, 12,358.15 and 2,393.79 is: 3,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.94 : 12,358.15 = 2,393.79 : x
  2. Step 2: Convert to fraction form
    8,237.94/12,358.15 = 2,393.79/x
  3. Step 3: Cross multiply
    8,237.94x = 12,358.15 × 2,393.79
  4. Step 4: Simplify right side
    8,237.94x = 29,582,809.90
  5. Step 5: Solve for x
    x = 29,582,809.90/8,237.94
  6. Step 6: Final answer
    x = 3,591.04

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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.