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Finding the Fourth Proportional to 19,010.93, 28,520.46 and 5,684.96

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Solution

The fourth proportional to 19,010.93, 28,520.46 and 5,684.96 is: 8,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.93 : 28,520.46 = 5,684.96 : x
  2. Step 2: Convert to fraction form
    19,010.93/28,520.46 = 5,684.96/x
  3. Step 3: Cross multiply
    19,010.93x = 28,520.46 × 5,684.96
  4. Step 4: Simplify right side
    19,010.93x = 162,137,745.58
  5. Step 5: Solve for x
    x = 162,137,745.58/19,010.93
  6. Step 6: Final answer
    x = 8,528.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.