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Finding the Fourth Proportional to 8,993.91, 13,485.03 and 4,313.82

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Solution

The fourth proportional to 8,993.91, 13,485.03 and 4,313.82 is: 6,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.91 : 13,485.03 = 4,313.82 : x
  2. Step 2: Convert to fraction form
    8,993.91/13,485.03 = 4,313.82/x
  3. Step 3: Cross multiply
    8,993.91x = 13,485.03 × 4,313.82
  4. Step 4: Simplify right side
    8,993.91x = 58,171,992.11
  5. Step 5: Solve for x
    x = 58,171,992.11/8,993.91
  6. Step 6: Final answer
    x = 6,467.93

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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.