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Finding the Fourth Proportional to 6,467.72, 8,928.84 and 4,354.37

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Solution

The fourth proportional to 6,467.72, 8,928.84 and 4,354.37 is: 6,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.72 : 8,928.84 = 4,354.37 : x
  2. Step 2: Convert to fraction form
    6,467.72/8,928.84 = 4,354.37/x
  3. Step 3: Cross multiply
    6,467.72x = 8,928.84 × 4,354.37
  4. Step 4: Simplify right side
    6,467.72x = 38,879,473.03
  5. Step 5: Solve for x
    x = 38,879,473.03/6,467.72
  6. Step 6: Final answer
    x = 6,011.31

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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.