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Finding the Fourth Proportional to 17,439.86, 26,188.95 and 17,303.78

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Solution

The fourth proportional to 17,439.86, 26,188.95 and 17,303.78 is: 25,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.86 : 26,188.95 = 17,303.78 : x
  2. Step 2: Convert to fraction form
    17,439.86/26,188.95 = 17,303.78/x
  3. Step 3: Cross multiply
    17,439.86x = 26,188.95 × 17,303.78
  4. Step 4: Simplify right side
    17,439.86x = 453,167,829.23
  5. Step 5: Solve for x
    x = 453,167,829.23/17,439.86
  6. Step 6: Final answer
    x = 25,984.60

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