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Finding the Fourth Proportional to 17,868.88, 26,793.07 and 6,768.49

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Solution

The fourth proportional to 17,868.88, 26,793.07 and 6,768.49 is: 10,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.88 : 26,793.07 = 6,768.49 : x
  2. Step 2: Convert to fraction form
    17,868.88/26,793.07 = 6,768.49/x
  3. Step 3: Cross multiply
    17,868.88x = 26,793.07 × 6,768.49
  4. Step 4: Simplify right side
    17,868.88x = 181,348,649.41
  5. Step 5: Solve for x
    x = 181,348,649.41/17,868.88
  6. Step 6: Final answer
    x = 10,148.85

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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.