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Finding the Fourth Proportional to 39,665.76, 59,498.86 and 13,370.74

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Solution

The fourth proportional to 39,665.76, 59,498.86 and 13,370.74 is: 20,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.76 : 59,498.86 = 13,370.74 : x
  2. Step 2: Convert to fraction form
    39,665.76/59,498.86 = 13,370.74/x
  3. Step 3: Cross multiply
    39,665.76x = 59,498.86 × 13,370.74
  4. Step 4: Simplify right side
    39,665.76x = 795,543,787.36
  5. Step 5: Solve for x
    x = 795,543,787.36/39,665.76
  6. Step 6: Final answer
    x = 20,056.18

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