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Finding the Fourth Proportional to 12,494.25, 18,726.80 and 6,944.94

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Solution

The fourth proportional to 12,494.25, 18,726.80 and 6,944.94 is: 10,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.25 : 18,726.80 = 6,944.94 : x
  2. Step 2: Convert to fraction form
    12,494.25/18,726.80 = 6,944.94/x
  3. Step 3: Cross multiply
    12,494.25x = 18,726.80 × 6,944.94
  4. Step 4: Simplify right side
    12,494.25x = 130,056,467.67
  5. Step 5: Solve for x
    x = 130,056,467.67/12,494.25
  6. Step 6: Final answer
    x = 10,409.31

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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.