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Finding the Fourth Proportional to 25,909.76, 38,832.51 and 18,401.35

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Solution

The fourth proportional to 25,909.76, 38,832.51 and 18,401.35 is: 27,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.76 : 38,832.51 = 18,401.35 : x
  2. Step 2: Convert to fraction form
    25,909.76/38,832.51 = 18,401.35/x
  3. Step 3: Cross multiply
    25,909.76x = 38,832.51 × 18,401.35
  4. Step 4: Simplify right side
    25,909.76x = 714,570,543.41
  5. Step 5: Solve for x
    x = 714,570,543.41/25,909.76
  6. Step 6: Final answer
    x = 27,579.20

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