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Finding the Fourth Proportional to 28,797.56, 39,740.46 and 16,226.36

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Solution

The fourth proportional to 28,797.56, 39,740.46 and 16,226.36 is: 22,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.56 : 39,740.46 = 16,226.36 : x
  2. Step 2: Convert to fraction form
    28,797.56/39,740.46 = 16,226.36/x
  3. Step 3: Cross multiply
    28,797.56x = 39,740.46 × 16,226.36
  4. Step 4: Simplify right side
    28,797.56x = 644,843,010.53
  5. Step 5: Solve for x
    x = 644,843,010.53/28,797.56
  6. Step 6: Final answer
    x = 22,392.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.