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Finding the Fourth Proportional to 12,832.64, 17,696.96 and 10,944.96

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Solution

The fourth proportional to 12,832.64, 17,696.96 and 10,944.96 is: 15,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.64 : 17,696.96 = 10,944.96 : x
  2. Step 2: Convert to fraction form
    12,832.64/17,696.96 = 10,944.96/x
  3. Step 3: Cross multiply
    12,832.64x = 17,696.96 × 10,944.96
  4. Step 4: Simplify right side
    12,832.64x = 193,692,519.32
  5. Step 5: Solve for x
    x = 193,692,519.32/12,832.64
  6. Step 6: Final answer
    x = 15,093.74

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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.