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Finding the Fourth Proportional to 35,269.88, 48,672.43 and 21,130.92

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Solution

The fourth proportional to 35,269.88, 48,672.43 and 21,130.92 is: 29,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,269.88 : 48,672.43 = 21,130.92 : x
  2. Step 2: Convert to fraction form
    35,269.88/48,672.43 = 21,130.92/x
  3. Step 3: Cross multiply
    35,269.88x = 48,672.43 × 21,130.92
  4. Step 4: Simplify right side
    35,269.88x = 1,028,493,171.71
  5. Step 5: Solve for x
    x = 1,028,493,171.71/35,269.88
  6. Step 6: Final answer
    x = 29,160.67

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