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Finding the Fourth Proportional to 28,263.44, 38,992.44 and 16,933.41

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Solution

The fourth proportional to 28,263.44, 38,992.44 and 16,933.41 is: 23,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.44 : 38,992.44 = 16,933.41 : x
  2. Step 2: Convert to fraction form
    28,263.44/38,992.44 = 16,933.41/x
  3. Step 3: Cross multiply
    28,263.44x = 38,992.44 × 16,933.41
  4. Step 4: Simplify right side
    28,263.44x = 660,275,036.92
  5. Step 5: Solve for x
    x = 660,275,036.92/28,263.44
  6. Step 6: Final answer
    x = 23,361.46

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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.