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Finding the Fourth Proportional to 37,045.83, 51,112.80 and 21,931.86

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Solution

The fourth proportional to 37,045.83, 51,112.80 and 21,931.86 is: 30,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,045.83 : 51,112.80 = 21,931.86 : x
  2. Step 2: Convert to fraction form
    37,045.83/51,112.80 = 21,931.86/x
  3. Step 3: Cross multiply
    37,045.83x = 51,112.80 × 21,931.86
  4. Step 4: Simplify right side
    37,045.83x = 1,120,998,773.81
  5. Step 5: Solve for x
    x = 1,120,998,773.81/37,045.83
  6. Step 6: Final answer
    x = 30,259.78

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