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Finding the Fourth Proportional to 25,836.44, 38,753.78 and 7,368.44

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Solution

The fourth proportional to 25,836.44, 38,753.78 and 7,368.44 is: 11,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.44 : 38,753.78 = 7,368.44 : x
  2. Step 2: Convert to fraction form
    25,836.44/38,753.78 = 7,368.44/x
  3. Step 3: Cross multiply
    25,836.44x = 38,753.78 × 7,368.44
  4. Step 4: Simplify right side
    25,836.44x = 285,554,672.09
  5. Step 5: Solve for x
    x = 285,554,672.09/25,836.44
  6. Step 6: Final answer
    x = 11,052.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.