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Finding the Fourth Proportional to 13,041.18, 17,996.58 and 7,072.74

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Solution

The fourth proportional to 13,041.18, 17,996.58 and 7,072.74 is: 9,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.18 : 17,996.58 = 7,072.74 : x
  2. Step 2: Convert to fraction form
    13,041.18/17,996.58 = 7,072.74/x
  3. Step 3: Cross multiply
    13,041.18x = 17,996.58 × 7,072.74
  4. Step 4: Simplify right side
    13,041.18x = 127,285,131.23
  5. Step 5: Solve for x
    x = 127,285,131.23/13,041.18
  6. Step 6: Final answer
    x = 9,760.25

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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.