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Finding the Fourth Proportional to 8,666.92, 13,000.41 and 2,093.09

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Solution

The fourth proportional to 8,666.92, 13,000.41 and 2,093.09 is: 3,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.92 : 13,000.41 = 2,093.09 : x
  2. Step 2: Convert to fraction form
    8,666.92/13,000.41 = 2,093.09/x
  3. Step 3: Cross multiply
    8,666.92x = 13,000.41 × 2,093.09
  4. Step 4: Simplify right side
    8,666.92x = 27,211,060.67
  5. Step 5: Solve for x
    x = 27,211,060.67/8,666.92
  6. Step 6: Final answer
    x = 3,139.65

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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.