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Finding the Fourth Proportional to 35,777.81, 53,666.72 and 11,153.81

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Solution

The fourth proportional to 35,777.81, 53,666.72 and 11,153.81 is: 16,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.81 : 53,666.72 = 11,153.81 : x
  2. Step 2: Convert to fraction form
    35,777.81/53,666.72 = 11,153.81/x
  3. Step 3: Cross multiply
    35,777.81x = 53,666.72 × 11,153.81
  4. Step 4: Simplify right side
    35,777.81x = 598,588,518.43
  5. Step 5: Solve for x
    x = 598,588,518.43/35,777.81
  6. Step 6: Final answer
    x = 16,730.72

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