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Finding the Fourth Proportional to 8,251.88, 12,366.30 and 4,555.88

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Solution

The fourth proportional to 8,251.88, 12,366.30 and 4,555.88 is: 6,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.88 : 12,366.30 = 4,555.88 : x
  2. Step 2: Convert to fraction form
    8,251.88/12,366.30 = 4,555.88/x
  3. Step 3: Cross multiply
    8,251.88x = 12,366.30 × 4,555.88
  4. Step 4: Simplify right side
    8,251.88x = 56,339,378.84
  5. Step 5: Solve for x
    x = 56,339,378.84/8,251.88
  6. Step 6: Final answer
    x = 6,827.46

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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.