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Finding the Fourth Proportional to 18,344.25, 25,313.31 and 10,384.92

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Solution

The fourth proportional to 18,344.25, 25,313.31 and 10,384.92 is: 14,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.25 : 25,313.31 = 10,384.92 : x
  2. Step 2: Convert to fraction form
    18,344.25/25,313.31 = 10,384.92/x
  3. Step 3: Cross multiply
    18,344.25x = 25,313.31 × 10,384.92
  4. Step 4: Simplify right side
    18,344.25x = 262,876,699.29
  5. Step 5: Solve for x
    x = 262,876,699.29/18,344.25
  6. Step 6: Final answer
    x = 14,330.20

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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.