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Finding the Fourth Proportional to 40,699.64, 61,048.86 and 11,117.42

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Solution

The fourth proportional to 40,699.64, 61,048.86 and 11,117.42 is: 16,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.64 : 61,048.86 = 11,117.42 : x
  2. Step 2: Convert to fraction form
    40,699.64/61,048.86 = 11,117.42/x
  3. Step 3: Cross multiply
    40,699.64x = 61,048.86 × 11,117.42
  4. Step 4: Simplify right side
    40,699.64x = 678,705,817.14
  5. Step 5: Solve for x
    x = 678,705,817.14/40,699.64
  6. Step 6: Final answer
    x = 16,675.97

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