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Finding the Fourth Proportional to 17,745.90, 26,624.94 and 7,892.07

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Solution

The fourth proportional to 17,745.90, 26,624.94 and 7,892.07 is: 11,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.90 : 26,624.94 = 7,892.07 : x
  2. Step 2: Convert to fraction form
    17,745.90/26,624.94 = 7,892.07/x
  3. Step 3: Cross multiply
    17,745.90x = 26,624.94 × 7,892.07
  4. Step 4: Simplify right side
    17,745.90x = 210,125,890.23
  5. Step 5: Solve for x
    x = 210,125,890.23/17,745.90
  6. Step 6: Final answer
    x = 11,840.81

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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.