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Finding the Fourth Proportional to 17,003.79, 25,487.46 and 8,226.63

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Solution

The fourth proportional to 17,003.79, 25,487.46 and 8,226.63 is: 12,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.79 : 25,487.46 = 8,226.63 : x
  2. Step 2: Convert to fraction form
    17,003.79/25,487.46 = 8,226.63/x
  3. Step 3: Cross multiply
    17,003.79x = 25,487.46 × 8,226.63
  4. Step 4: Simplify right side
    17,003.79x = 209,675,903.06
  5. Step 5: Solve for x
    x = 209,675,903.06/17,003.79
  6. Step 6: Final answer
    x = 12,331.13

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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.