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Finding the Fourth Proportional to 17,855.43, 26,780.10 and 4,707.93

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Solution

The fourth proportional to 17,855.43, 26,780.10 and 4,707.93 is: 7,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.43 : 26,780.10 = 4,707.93 : x
  2. Step 2: Convert to fraction form
    17,855.43/26,780.10 = 4,707.93/x
  3. Step 3: Cross multiply
    17,855.43x = 26,780.10 × 4,707.93
  4. Step 4: Simplify right side
    17,855.43x = 126,078,836.19
  5. Step 5: Solve for x
    x = 126,078,836.19/17,855.43
  6. Step 6: Final answer
    x = 7,061.09

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