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Finding the Fourth Proportional to 34,090.08, 47,040.96 and 19,940.16

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Solution

The fourth proportional to 34,090.08, 47,040.96 and 19,940.16 is: 27,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.08 : 47,040.96 = 19,940.16 : x
  2. Step 2: Convert to fraction form
    34,090.08/47,040.96 = 19,940.16/x
  3. Step 3: Cross multiply
    34,090.08x = 47,040.96 × 19,940.16
  4. Step 4: Simplify right side
    34,090.08x = 938,004,268.95
  5. Step 5: Solve for x
    x = 938,004,268.95/34,090.08
  6. Step 6: Final answer
    x = 27,515.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.