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Finding the Fourth Proportional to 16,439.63, 24,644.05 and 8,004.29

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Solution

The fourth proportional to 16,439.63, 24,644.05 and 8,004.29 is: 11,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.63 : 24,644.05 = 8,004.29 : x
  2. Step 2: Convert to fraction form
    16,439.63/24,644.05 = 8,004.29/x
  3. Step 3: Cross multiply
    16,439.63x = 24,644.05 × 8,004.29
  4. Step 4: Simplify right side
    16,439.63x = 197,257,979.74
  5. Step 5: Solve for x
    x = 197,257,979.74/16,439.63
  6. Step 6: Final answer
    x = 11,998.93

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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.