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Finding the Fourth Proportional to 37,656.54, 56,470.35 and 12,689.85

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Solution

The fourth proportional to 37,656.54, 56,470.35 and 12,689.85 is: 19,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.54 : 56,470.35 = 12,689.85 : x
  2. Step 2: Convert to fraction form
    37,656.54/56,470.35 = 12,689.85/x
  3. Step 3: Cross multiply
    37,656.54x = 56,470.35 × 12,689.85
  4. Step 4: Simplify right side
    37,656.54x = 716,600,270.95
  5. Step 5: Solve for x
    x = 716,600,270.95/37,656.54
  6. Step 6: Final answer
    x = 19,029.90

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