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Finding the Fourth Proportional to 28,025.31, 38,674.93 and 16,089.42

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Solution

The fourth proportional to 28,025.31, 38,674.93 and 16,089.42 is: 22,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.31 : 38,674.93 = 16,089.42 : x
  2. Step 2: Convert to fraction form
    28,025.31/38,674.93 = 16,089.42/x
  3. Step 3: Cross multiply
    28,025.31x = 38,674.93 × 16,089.42
  4. Step 4: Simplify right side
    28,025.31x = 622,257,192.24
  5. Step 5: Solve for x
    x = 622,257,192.24/28,025.31
  6. Step 6: Final answer
    x = 22,203.40

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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.