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Finding the Fourth Proportional to 35,769.42, 53,663.85 and 12,397.68

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Solution

The fourth proportional to 35,769.42, 53,663.85 and 12,397.68 is: 18,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,769.42 : 53,663.85 = 12,397.68 : x
  2. Step 2: Convert to fraction form
    35,769.42/53,663.85 = 12,397.68/x
  3. Step 3: Cross multiply
    35,769.42x = 53,663.85 × 12,397.68
  4. Step 4: Simplify right side
    35,769.42x = 665,307,239.87
  5. Step 5: Solve for x
    x = 665,307,239.87/35,769.42
  6. Step 6: Final answer
    x = 18,599.89

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