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Finding the Fourth Proportional to 17,900.01, 26,829.77 and 9,116.37

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Solution

The fourth proportional to 17,900.01, 26,829.77 and 9,116.37 is: 13,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.01 : 26,829.77 = 9,116.37 : x
  2. Step 2: Convert to fraction form
    17,900.01/26,829.77 = 9,116.37/x
  3. Step 3: Cross multiply
    17,900.01x = 26,829.77 × 9,116.37
  4. Step 4: Simplify right side
    17,900.01x = 244,590,064.75
  5. Step 5: Solve for x
    x = 244,590,064.75/17,900.01
  6. Step 6: Final answer
    x = 13,664.24

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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.