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Finding the Fourth Proportional to 17,813.12, 26,719.98 and 6,725.03

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Solution

The fourth proportional to 17,813.12, 26,719.98 and 6,725.03 is: 10,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.12 : 26,719.98 = 6,725.03 : x
  2. Step 2: Convert to fraction form
    17,813.12/26,719.98 = 6,725.03/x
  3. Step 3: Cross multiply
    17,813.12x = 26,719.98 × 6,725.03
  4. Step 4: Simplify right side
    17,813.12x = 179,692,508.28
  5. Step 5: Solve for x
    x = 179,692,508.28/17,813.12
  6. Step 6: Final answer
    x = 10,087.65

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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.