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Finding the Fourth Proportional to 8,644.96, 11,951.32 and 8,566.04

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Solution

The fourth proportional to 8,644.96, 11,951.32 and 8,566.04 is: 11,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.96 : 11,951.32 = 8,566.04 : x
  2. Step 2: Convert to fraction form
    8,644.96/11,951.32 = 8,566.04/x
  3. Step 3: Cross multiply
    8,644.96x = 11,951.32 × 8,566.04
  4. Step 4: Simplify right side
    8,644.96x = 102,375,485.17
  5. Step 5: Solve for x
    x = 102,375,485.17/8,644.96
  6. Step 6: Final answer
    x = 11,842.22

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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.