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Finding the Fourth Proportional to 8,584.45, 11,847.52 and 5,229.23

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Solution

The fourth proportional to 8,584.45, 11,847.52 and 5,229.23 is: 7,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.45 : 11,847.52 = 5,229.23 : x
  2. Step 2: Convert to fraction form
    8,584.45/11,847.52 = 5,229.23/x
  3. Step 3: Cross multiply
    8,584.45x = 11,847.52 × 5,229.23
  4. Step 4: Simplify right side
    8,584.45x = 61,953,324.89
  5. Step 5: Solve for x
    x = 61,953,324.89/8,584.45
  6. Step 6: Final answer
    x = 7,216.93

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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.