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Finding the Fourth Proportional to 8,932.15, 13,388.01 and 4,245.51

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Solution

The fourth proportional to 8,932.15, 13,388.01 and 4,245.51 is: 6,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.15 : 13,388.01 = 4,245.51 : x
  2. Step 2: Convert to fraction form
    8,932.15/13,388.01 = 4,245.51/x
  3. Step 3: Cross multiply
    8,932.15x = 13,388.01 × 4,245.51
  4. Step 4: Simplify right side
    8,932.15x = 56,838,976.56
  5. Step 5: Solve for x
    x = 56,838,976.56/8,932.15
  6. Step 6: Final answer
    x = 6,363.42

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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.