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Finding the Fourth Proportional to 7,794, 10,756.44 and 4,436.96

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Solution

The fourth proportional to 7,794, 10,756.44 and 4,436.96 is: 6,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794 : 10,756.44 = 4,436.96 : x
  2. Step 2: Convert to fraction form
    7,794/10,756.44 = 4,436.96/x
  3. Step 3: Cross multiply
    7,794x = 10,756.44 × 4,436.96
  4. Step 4: Simplify right side
    7,794x = 47,725,894.02
  5. Step 5: Solve for x
    x = 47,725,894.02/7,794
  6. Step 6: Final answer
    x = 6,123.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.