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Finding the Fourth Proportional to 12,844.23, 17,703.85 and 8,593.78

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Solution

The fourth proportional to 12,844.23, 17,703.85 and 8,593.78 is: 11,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.23 : 17,703.85 = 8,593.78 : x
  2. Step 2: Convert to fraction form
    12,844.23/17,703.85 = 8,593.78/x
  3. Step 3: Cross multiply
    12,844.23x = 17,703.85 × 8,593.78
  4. Step 4: Simplify right side
    12,844.23x = 152,142,992.05
  5. Step 5: Solve for x
    x = 152,142,992.05/12,844.23
  6. Step 6: Final answer
    x = 11,845.24

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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.