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Finding the Fourth Proportional to 6,866.29, 10,299.43 and 5,939.09

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Solution

The fourth proportional to 6,866.29, 10,299.43 and 5,939.09 is: 8,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.29 : 10,299.43 = 5,939.09 : x
  2. Step 2: Convert to fraction form
    6,866.29/10,299.43 = 5,939.09/x
  3. Step 3: Cross multiply
    6,866.29x = 10,299.43 × 5,939.09
  4. Step 4: Simplify right side
    6,866.29x = 61,169,267.47
  5. Step 5: Solve for x
    x = 61,169,267.47/6,866.29
  6. Step 6: Final answer
    x = 8,908.63

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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.