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Finding the Fourth Proportional to 8,593.57, 12,890.34 and 2,750.63

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Solution

The fourth proportional to 8,593.57, 12,890.34 and 2,750.63 is: 4,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.57 : 12,890.34 = 2,750.63 : x
  2. Step 2: Convert to fraction form
    8,593.57/12,890.34 = 2,750.63/x
  3. Step 3: Cross multiply
    8,593.57x = 12,890.34 × 2,750.63
  4. Step 4: Simplify right side
    8,593.57x = 35,456,555.91
  5. Step 5: Solve for x
    x = 35,456,555.91/8,593.57
  6. Step 6: Final answer
    x = 4,125.94

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1.5x scale

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.