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Finding the Fourth Proportional to 18,625.46, 25,703.13 and 10,241.96

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Solution

The fourth proportional to 18,625.46, 25,703.13 and 10,241.96 is: 14,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.46 : 25,703.13 = 10,241.96 : x
  2. Step 2: Convert to fraction form
    18,625.46/25,703.13 = 10,241.96/x
  3. Step 3: Cross multiply
    18,625.46x = 25,703.13 × 10,241.96
  4. Step 4: Simplify right side
    18,625.46x = 263,250,262.41
  5. Step 5: Solve for x
    x = 263,250,262.41/18,625.46
  6. Step 6: Final answer
    x = 14,133.90

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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.