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Finding the Fourth Proportional to 37,707.93, 56,585.74 and 21,078.88

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Solution

The fourth proportional to 37,707.93, 56,585.74 and 21,078.88 is: 31,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.93 : 56,585.74 = 21,078.88 : x
  2. Step 2: Convert to fraction form
    37,707.93/56,585.74 = 21,078.88/x
  3. Step 3: Cross multiply
    37,707.93x = 56,585.74 × 21,078.88
  4. Step 4: Simplify right side
    37,707.93x = 1,192,763,829.01
  5. Step 5: Solve for x
    x = 1,192,763,829.01/37,707.93
  6. Step 6: Final answer
    x = 31,631.64

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