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Finding the Fourth Proportional to 8,594.03, 12,890.80 and 2,750.55

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Solution

The fourth proportional to 8,594.03, 12,890.80 and 2,750.55 is: 4,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.03 : 12,890.80 = 2,750.55 : x
  2. Step 2: Convert to fraction form
    8,594.03/12,890.80 = 2,750.55/x
  3. Step 3: Cross multiply
    8,594.03x = 12,890.80 × 2,750.55
  4. Step 4: Simplify right side
    8,594.03x = 35,456,789.94
  5. Step 5: Solve for x
    x = 35,456,789.94/8,594.03
  6. Step 6: Final answer
    x = 4,125.75

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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.