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Finding the Fourth Proportional to 56,884.47, 85,316.99 and 15,321.75

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Solution

The fourth proportional to 56,884.47, 85,316.99 and 15,321.75 is: 22,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.47 : 85,316.99 = 15,321.75 : x
  2. Step 2: Convert to fraction form
    56,884.47/85,316.99 = 15,321.75/x
  3. Step 3: Cross multiply
    56,884.47x = 85,316.99 × 15,321.75
  4. Step 4: Simplify right side
    56,884.47x = 1,307,205,514.92
  5. Step 5: Solve for x
    x = 1,307,205,514.92/56,884.47
  6. Step 6: Final answer
    x = 22,980.01

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