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Finding the Fourth Proportional to 18,306.64, 25,264.56 and 10,349.74

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Solution

The fourth proportional to 18,306.64, 25,264.56 and 10,349.74 is: 14,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.64 : 25,264.56 = 10,349.74 : x
  2. Step 2: Convert to fraction form
    18,306.64/25,264.56 = 10,349.74/x
  3. Step 3: Cross multiply
    18,306.64x = 25,264.56 × 10,349.74
  4. Step 4: Simplify right side
    18,306.64x = 261,481,627.21
  5. Step 5: Solve for x
    x = 261,481,627.21/18,306.64
  6. Step 6: Final answer
    x = 14,283.43

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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.