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Finding the Fourth Proportional to 8,573.74, 12,861.63 and 3,025.93

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Solution

The fourth proportional to 8,573.74, 12,861.63 and 3,025.93 is: 4,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.74 : 12,861.63 = 3,025.93 : x
  2. Step 2: Convert to fraction form
    8,573.74/12,861.63 = 3,025.93/x
  3. Step 3: Cross multiply
    8,573.74x = 12,861.63 × 3,025.93
  4. Step 4: Simplify right side
    8,573.74x = 38,918,392.07
  5. Step 5: Solve for x
    x = 38,918,392.07/8,573.74
  6. Step 6: Final answer
    x = 4,539.25

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