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Finding the Fourth Proportional to 10,893.96, 15,054.66 and 8,794.44

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Solution

The fourth proportional to 10,893.96, 15,054.66 and 8,794.44 is: 12,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.96 : 15,054.66 = 8,794.44 : x
  2. Step 2: Convert to fraction form
    10,893.96/15,054.66 = 8,794.44/x
  3. Step 3: Cross multiply
    10,893.96x = 15,054.66 × 8,794.44
  4. Step 4: Simplify right side
    10,893.96x = 132,397,304.09
  5. Step 5: Solve for x
    x = 132,397,304.09/10,893.96
  6. Step 6: Final answer
    x = 12,153.28

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Double scale
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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.