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Finding the Fourth Proportional to 31,889.58, 47,810.54 and 22,000.64

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Solution

The fourth proportional to 31,889.58, 47,810.54 and 22,000.64 is: 32,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.58 : 47,810.54 = 22,000.64 : x
  2. Step 2: Convert to fraction form
    31,889.58/47,810.54 = 22,000.64/x
  3. Step 3: Cross multiply
    31,889.58x = 47,810.54 × 22,000.64
  4. Step 4: Simplify right side
    31,889.58x = 1,051,862,478.75
  5. Step 5: Solve for x
    x = 1,051,862,478.75/31,889.58
  6. Step 6: Final answer
    x = 32,984.52

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