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Finding the Fourth Proportional to 8,593.38, 12,889.80 and 2,749.77

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Solution

The fourth proportional to 8,593.38, 12,889.80 and 2,749.77 is: 4,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.38 : 12,889.80 = 2,749.77 : x
  2. Step 2: Convert to fraction form
    8,593.38/12,889.80 = 2,749.77/x
  3. Step 3: Cross multiply
    8,593.38x = 12,889.80 × 2,749.77
  4. Step 4: Simplify right side
    8,593.38x = 35,443,985.35
  5. Step 5: Solve for x
    x = 35,443,985.35/8,593.38
  6. Step 6: Final answer
    x = 4,124.57

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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.