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Finding the Fourth Proportional to 17,619.03, 26,410.64 and 11,049.80

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Solution

The fourth proportional to 17,619.03, 26,410.64 and 11,049.80 is: 16,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.03 : 26,410.64 = 11,049.80 : x
  2. Step 2: Convert to fraction form
    17,619.03/26,410.64 = 11,049.80/x
  3. Step 3: Cross multiply
    17,619.03x = 26,410.64 × 11,049.80
  4. Step 4: Simplify right side
    17,619.03x = 291,832,102.57
  5. Step 5: Solve for x
    x = 291,832,102.57/17,619.03
  6. Step 6: Final answer
    x = 16,563.46

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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.