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Finding the Fourth Proportional to 44,570.66, 66,845.25 and 12,972.15

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Solution

The fourth proportional to 44,570.66, 66,845.25 and 12,972.15 is: 19,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,570.66 : 66,845.25 = 12,972.15 : x
  2. Step 2: Convert to fraction form
    44,570.66/66,845.25 = 12,972.15/x
  3. Step 3: Cross multiply
    44,570.66x = 66,845.25 × 12,972.15
  4. Step 4: Simplify right side
    44,570.66x = 867,126,609.79
  5. Step 5: Solve for x
    x = 867,126,609.79/44,570.66
  6. Step 6: Final answer
    x = 19,455.10

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