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Finding the Fourth Proportional to 58,323.78, 87,499.53 and 18,880.88

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Solution

The fourth proportional to 58,323.78, 87,499.53 and 18,880.88 is: 28,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,323.78 : 87,499.53 = 18,880.88 : x
  2. Step 2: Convert to fraction form
    58,323.78/87,499.53 = 18,880.88/x
  3. Step 3: Cross multiply
    58,323.78x = 87,499.53 × 18,880.88
  4. Step 4: Simplify right side
    58,323.78x = 1,652,067,688.49
  5. Step 5: Solve for x
    x = 1,652,067,688.49/58,323.78
  6. Step 6: Final answer
    x = 28,325.80

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