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Finding the Fourth Proportional to 17,603.97, 26,412.03 and 11,022.32

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Solution

The fourth proportional to 17,603.97, 26,412.03 and 11,022.32 is: 16,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.97 : 26,412.03 = 11,022.32 : x
  2. Step 2: Convert to fraction form
    17,603.97/26,412.03 = 11,022.32/x
  3. Step 3: Cross multiply
    17,603.97x = 26,412.03 × 11,022.32
  4. Step 4: Simplify right side
    17,603.97x = 291,121,714.45
  5. Step 5: Solve for x
    x = 291,121,714.45/17,603.97
  6. Step 6: Final answer
    x = 16,537.28

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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.