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Finding the Fourth Proportional to 28,264.44, 38,993.82 and 16,934.41

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Solution

The fourth proportional to 28,264.44, 38,993.82 and 16,934.41 is: 23,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.44 : 38,993.82 = 16,934.41 : x
  2. Step 2: Convert to fraction form
    28,264.44/38,993.82 = 16,934.41/x
  3. Step 3: Cross multiply
    28,264.44x = 38,993.82 × 16,934.41
  4. Step 4: Simplify right side
    28,264.44x = 660,337,335.35
  5. Step 5: Solve for x
    x = 660,337,335.35/28,264.44
  6. Step 6: Final answer
    x = 23,362.83

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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.