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Finding the Fourth Proportional to 17,745.86, 24,500.70 and 11,040.62

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Solution

The fourth proportional to 17,745.86, 24,500.70 and 11,040.62 is: 15,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.86 : 24,500.70 = 11,040.62 : x
  2. Step 2: Convert to fraction form
    17,745.86/24,500.70 = 11,040.62/x
  3. Step 3: Cross multiply
    17,745.86x = 24,500.70 × 11,040.62
  4. Step 4: Simplify right side
    17,745.86x = 270,502,918.43
  5. Step 5: Solve for x
    x = 270,502,918.43/17,745.86
  6. Step 6: Final answer
    x = 15,243.16

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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.