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Finding the Fourth Proportional to 8,254.88, 12,383.48 and 2,411.92

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Solution

The fourth proportional to 8,254.88, 12,383.48 and 2,411.92 is: 3,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.88 : 12,383.48 = 2,411.92 : x
  2. Step 2: Convert to fraction form
    8,254.88/12,383.48 = 2,411.92/x
  3. Step 3: Cross multiply
    8,254.88x = 12,383.48 × 2,411.92
  4. Step 4: Simplify right side
    8,254.88x = 29,867,963.08
  5. Step 5: Solve for x
    x = 29,867,963.08/8,254.88
  6. Step 6: Final answer
    x = 3,618.22

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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.