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Finding the Fourth Proportional to 17,858.97, 26,800.74 and 8,009.26

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Solution

The fourth proportional to 17,858.97, 26,800.74 and 8,009.26 is: 12,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.97 : 26,800.74 = 8,009.26 : x
  2. Step 2: Convert to fraction form
    17,858.97/26,800.74 = 8,009.26/x
  3. Step 3: Cross multiply
    17,858.97x = 26,800.74 × 8,009.26
  4. Step 4: Simplify right side
    17,858.97x = 214,654,027.85
  5. Step 5: Solve for x
    x = 214,654,027.85/17,858.97
  6. Step 6: Final answer
    x = 12,019.40

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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.