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Finding the Fourth Proportional to 8,927.26, 13,388.13 and 6,171.64

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Solution

The fourth proportional to 8,927.26, 13,388.13 and 6,171.64 is: 9,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.26 : 13,388.13 = 6,171.64 : x
  2. Step 2: Convert to fraction form
    8,927.26/13,388.13 = 6,171.64/x
  3. Step 3: Cross multiply
    8,927.26x = 13,388.13 × 6,171.64
  4. Step 4: Simplify right side
    8,927.26x = 82,626,685.16
  5. Step 5: Solve for x
    x = 82,626,685.16/8,927.26
  6. Step 6: Final answer
    x = 9,255.55

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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.