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Finding the Fourth Proportional to 17,703.80, 26,549.51 and 5,220.51

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Solution

The fourth proportional to 17,703.80, 26,549.51 and 5,220.51 is: 7,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.80 : 26,549.51 = 5,220.51 : x
  2. Step 2: Convert to fraction form
    17,703.80/26,549.51 = 5,220.51/x
  3. Step 3: Cross multiply
    17,703.80x = 26,549.51 × 5,220.51
  4. Step 4: Simplify right side
    17,703.80x = 138,601,823.60
  5. Step 5: Solve for x
    x = 138,601,823.60/17,703.80
  6. Step 6: Final answer
    x = 7,828.93

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