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Finding the Fourth Proportional to 8,674.16, 11,970.41 and 4,695.31

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Solution

The fourth proportional to 8,674.16, 11,970.41 and 4,695.31 is: 6,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.16 : 11,970.41 = 4,695.31 : x
  2. Step 2: Convert to fraction form
    8,674.16/11,970.41 = 4,695.31/x
  3. Step 3: Cross multiply
    8,674.16x = 11,970.41 × 4,695.31
  4. Step 4: Simplify right side
    8,674.16x = 56,204,732.37
  5. Step 5: Solve for x
    x = 56,204,732.37/8,674.16
  6. Step 6: Final answer
    x = 6,479.56

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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.