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Finding the Fourth Proportional to 53,085.26, 79,625.18 and 19,802.70

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Solution

The fourth proportional to 53,085.26, 79,625.18 and 19,802.70 is: 29,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.26 : 79,625.18 = 19,802.70 : x
  2. Step 2: Convert to fraction form
    53,085.26/79,625.18 = 19,802.70/x
  3. Step 3: Cross multiply
    53,085.26x = 79,625.18 × 19,802.70
  4. Step 4: Simplify right side
    53,085.26x = 1,576,793,551.99
  5. Step 5: Solve for x
    x = 1,576,793,551.99/53,085.26
  6. Step 6: Final answer
    x = 29,703.04

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