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Finding the Fourth Proportional to 19,895.02, 29,843.34 and 8,207.13

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Solution

The fourth proportional to 19,895.02, 29,843.34 and 8,207.13 is: 12,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.02 : 29,843.34 = 8,207.13 : x
  2. Step 2: Convert to fraction form
    19,895.02/29,843.34 = 8,207.13/x
  3. Step 3: Cross multiply
    19,895.02x = 29,843.34 × 8,207.13
  4. Step 4: Simplify right side
    19,895.02x = 244,928,171.01
  5. Step 5: Solve for x
    x = 244,928,171.01/19,895.02
  6. Step 6: Final answer
    x = 12,311.03

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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.