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Finding the Fourth Proportional to 26,700.48, 40,048.29 and 6,978.60

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Solution

The fourth proportional to 26,700.48, 40,048.29 and 6,978.60 is: 10,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,700.48 : 40,048.29 = 6,978.60 : x
  2. Step 2: Convert to fraction form
    26,700.48/40,048.29 = 6,978.60/x
  3. Step 3: Cross multiply
    26,700.48x = 40,048.29 × 6,978.60
  4. Step 4: Simplify right side
    26,700.48x = 279,480,996.59
  5. Step 5: Solve for x
    x = 279,480,996.59/26,700.48
  6. Step 6: Final answer
    x = 10,467.26

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