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Finding the Fourth Proportional to 12,338.50, 17,027.07 and 6,673.20

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Solution

The fourth proportional to 12,338.50, 17,027.07 and 6,673.20 is: 9,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.50 : 17,027.07 = 6,673.20 : x
  2. Step 2: Convert to fraction form
    12,338.50/17,027.07 = 6,673.20/x
  3. Step 3: Cross multiply
    12,338.50x = 17,027.07 × 6,673.20
  4. Step 4: Simplify right side
    12,338.50x = 113,625,091.03
  5. Step 5: Solve for x
    x = 113,625,091.03/12,338.50
  6. Step 6: Final answer
    x = 9,208.99

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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.