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Finding the Fourth Proportional to 17,369.60, 26,067.84 and 6,990.08

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Solution

The fourth proportional to 17,369.60, 26,067.84 and 6,990.08 is: 10,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.60 : 26,067.84 = 6,990.08 : x
  2. Step 2: Convert to fraction form
    17,369.60/26,067.84 = 6,990.08/x
  3. Step 3: Cross multiply
    17,369.60x = 26,067.84 × 6,990.08
  4. Step 4: Simplify right side
    17,369.60x = 182,216,287.03
  5. Step 5: Solve for x
    x = 182,216,287.03/17,369.60
  6. Step 6: Final answer
    x = 10,490.53

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1.5x scale

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.