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Finding the Fourth Proportional to 17,865.88, 26,796.90 and 7,336.99

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Solution

The fourth proportional to 17,865.88, 26,796.90 and 7,336.99 is: 11,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.88 : 26,796.90 = 7,336.99 : x
  2. Step 2: Convert to fraction form
    17,865.88/26,796.90 = 7,336.99/x
  3. Step 3: Cross multiply
    17,865.88x = 26,796.90 × 7,336.99
  4. Step 4: Simplify right side
    17,865.88x = 196,608,587.33
  5. Step 5: Solve for x
    x = 196,608,587.33/17,865.88
  6. Step 6: Final answer
    x = 11,004.70

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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.