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Finding the Fourth Proportional to 7,892, 11,838.10 and 2,048.26

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Solution

The fourth proportional to 7,892, 11,838.10 and 2,048.26 is: 3,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892 : 11,838.10 = 2,048.26 : x
  2. Step 2: Convert to fraction form
    7,892/11,838.10 = 2,048.26/x
  3. Step 3: Cross multiply
    7,892x = 11,838.10 × 2,048.26
  4. Step 4: Simplify right side
    7,892x = 24,247,506.71
  5. Step 5: Solve for x
    x = 24,247,506.71/7,892
  6. Step 6: Final answer
    x = 3,072.42

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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.