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Finding the Fourth Proportional to 17,666.26, 26,441.70 and 12,985.03

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Solution

The fourth proportional to 17,666.26, 26,441.70 and 12,985.03 is: 19,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.26 : 26,441.70 = 12,985.03 : x
  2. Step 2: Convert to fraction form
    17,666.26/26,441.70 = 12,985.03/x
  3. Step 3: Cross multiply
    17,666.26x = 26,441.70 × 12,985.03
  4. Step 4: Simplify right side
    17,666.26x = 343,346,267.75
  5. Step 5: Solve for x
    x = 343,346,267.75/17,666.26
  6. Step 6: Final answer
    x = 19,435.14

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