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Finding the Fourth Proportional to 52,586.21, 72,571.91 and 28,715.10

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Solution

The fourth proportional to 52,586.21, 72,571.91 and 28,715.10 is: 39,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586.21 : 72,571.91 = 28,715.10 : x
  2. Step 2: Convert to fraction form
    52,586.21/72,571.91 = 28,715.10/x
  3. Step 3: Cross multiply
    52,586.21x = 72,571.91 × 28,715.10
  4. Step 4: Simplify right side
    52,586.21x = 2,083,909,509.27
  5. Step 5: Solve for x
    x = 2,083,909,509.27/52,586.21
  6. Step 6: Final answer
    x = 39,628.44

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