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Finding the Fourth Proportional to 14,983.04, 20,675.04 and 8,694.20

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Solution

The fourth proportional to 14,983.04, 20,675.04 and 8,694.20 is: 11,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.04 : 20,675.04 = 8,694.20 : x
  2. Step 2: Convert to fraction form
    14,983.04/20,675.04 = 8,694.20/x
  3. Step 3: Cross multiply
    14,983.04x = 20,675.04 × 8,694.20
  4. Step 4: Simplify right side
    14,983.04x = 179,752,932.77
  5. Step 5: Solve for x
    x = 179,752,932.77/14,983.04
  6. Step 6: Final answer
    x = 11,997.09

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1.5x scale

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.