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Finding the Fourth Proportional to 8,604.26, 11,866.13 and 5,576.31

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Solution

The fourth proportional to 8,604.26, 11,866.13 and 5,576.31 is: 7,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.26 : 11,866.13 = 5,576.31 : x
  2. Step 2: Convert to fraction form
    8,604.26/11,866.13 = 5,576.31/x
  3. Step 3: Cross multiply
    8,604.26x = 11,866.13 × 5,576.31
  4. Step 4: Simplify right side
    8,604.26x = 66,169,212.41
  5. Step 5: Solve for x
    x = 66,169,212.41/8,604.26
  6. Step 6: Final answer
    x = 7,690.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.