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Finding the Fourth Proportional to 18,253.47, 25,185.03 and 10,695.74

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Solution

The fourth proportional to 18,253.47, 25,185.03 and 10,695.74 is: 14,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.47 : 25,185.03 = 10,695.74 : x
  2. Step 2: Convert to fraction form
    18,253.47/25,185.03 = 10,695.74/x
  3. Step 3: Cross multiply
    18,253.47x = 25,185.03 × 10,695.74
  4. Step 4: Simplify right side
    18,253.47x = 269,372,437.57
  5. Step 5: Solve for x
    x = 269,372,437.57/18,253.47
  6. Step 6: Final answer
    x = 14,757.33

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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.