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Finding the Fourth Proportional to 12,173.56, 16,799.33 and 6,868.33

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Solution

The fourth proportional to 12,173.56, 16,799.33 and 6,868.33 is: 9,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.56 : 16,799.33 = 6,868.33 : x
  2. Step 2: Convert to fraction form
    12,173.56/16,799.33 = 6,868.33/x
  3. Step 3: Cross multiply
    12,173.56x = 16,799.33 × 6,868.33
  4. Step 4: Simplify right side
    12,173.56x = 115,383,317.39
  5. Step 5: Solve for x
    x = 115,383,317.39/12,173.56
  6. Step 6: Final answer
    x = 9,478.19

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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.