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Finding the Fourth Proportional to 8,666.07, 12,998.99 and 2,092.23

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Solution

The fourth proportional to 8,666.07, 12,998.99 and 2,092.23 is: 3,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.07 : 12,998.99 = 2,092.23 : x
  2. Step 2: Convert to fraction form
    8,666.07/12,998.99 = 2,092.23/x
  3. Step 3: Cross multiply
    8,666.07x = 12,998.99 × 2,092.23
  4. Step 4: Simplify right side
    8,666.07x = 27,196,866.39
  5. Step 5: Solve for x
    x = 27,196,866.39/8,666.07
  6. Step 6: Final answer
    x = 3,138.32

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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.