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Finding the Fourth Proportional to 19,048.41, 28,568.30 and 6,736.41

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Solution

The fourth proportional to 19,048.41, 28,568.30 and 6,736.41 is: 10,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.41 : 28,568.30 = 6,736.41 : x
  2. Step 2: Convert to fraction form
    19,048.41/28,568.30 = 6,736.41/x
  3. Step 3: Cross multiply
    19,048.41x = 28,568.30 × 6,736.41
  4. Step 4: Simplify right side
    19,048.41x = 192,447,748.12
  5. Step 5: Solve for x
    x = 192,447,748.12/19,048.41
  6. Step 6: Final answer
    x = 10,103.09

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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.