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Finding the Fourth Proportional to 18,369.52, 25,350.47 and 10,411.47

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Solution

The fourth proportional to 18,369.52, 25,350.47 and 10,411.47 is: 14,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.52 : 25,350.47 = 10,411.47 : x
  2. Step 2: Convert to fraction form
    18,369.52/25,350.47 = 10,411.47/x
  3. Step 3: Cross multiply
    18,369.52x = 25,350.47 × 10,411.47
  4. Step 4: Simplify right side
    18,369.52x = 263,935,644.88
  5. Step 5: Solve for x
    x = 263,935,644.88/18,369.52
  6. Step 6: Final answer
    x = 14,368.13

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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.