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Finding the Fourth Proportional to 17,864.88, 26,795.40 and 7,335.99

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Solution

The fourth proportional to 17,864.88, 26,795.40 and 7,335.99 is: 11,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.88 : 26,795.40 = 7,335.99 : x
  2. Step 2: Convert to fraction form
    17,864.88/26,795.40 = 7,335.99/x
  3. Step 3: Cross multiply
    17,864.88x = 26,795.40 × 7,335.99
  4. Step 4: Simplify right side
    17,864.88x = 196,570,786.45
  5. Step 5: Solve for x
    x = 196,570,786.45/17,864.88
  6. Step 6: Final answer
    x = 11,003.20

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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.