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Finding the Fourth Proportional to 8,592.30, 12,890.48 and 2,748.96

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Solution

The fourth proportional to 8,592.30, 12,890.48 and 2,748.96 is: 4,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.30 : 12,890.48 = 2,748.96 : x
  2. Step 2: Convert to fraction form
    8,592.30/12,890.48 = 2,748.96/x
  3. Step 3: Cross multiply
    8,592.30x = 12,890.48 × 2,748.96
  4. Step 4: Simplify right side
    8,592.30x = 35,435,400.16
  5. Step 5: Solve for x
    x = 35,435,400.16/8,592.30
  6. Step 6: Final answer
    x = 4,124.09

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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.