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Finding the Fourth Proportional to 17,603.98, 26,388.19 and 11,034.77

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Solution

The fourth proportional to 17,603.98, 26,388.19 and 11,034.77 is: 16,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.98 : 26,388.19 = 11,034.77 : x
  2. Step 2: Convert to fraction form
    17,603.98/26,388.19 = 11,034.77/x
  3. Step 3: Cross multiply
    17,603.98x = 26,388.19 × 11,034.77
  4. Step 4: Simplify right side
    17,603.98x = 291,187,645.75
  5. Step 5: Solve for x
    x = 291,187,645.75/17,603.98
  6. Step 6: Final answer
    x = 16,541.01

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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.