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Finding the Fourth Proportional to 19,960.60, 29,943.63 and 6,809.44

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Solution

The fourth proportional to 19,960.60, 29,943.63 and 6,809.44 is: 10,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.60 : 29,943.63 = 6,809.44 : x
  2. Step 2: Convert to fraction form
    19,960.60/29,943.63 = 6,809.44/x
  3. Step 3: Cross multiply
    19,960.60x = 29,943.63 × 6,809.44
  4. Step 4: Simplify right side
    19,960.60x = 203,899,277.01
  5. Step 5: Solve for x
    x = 203,899,277.01/19,960.60
  6. Step 6: Final answer
    x = 10,215.09

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1.5x scale

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.