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Finding the Fourth Proportional to 15,528.93, 23,273.86 and 8,412.90

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Solution

The fourth proportional to 15,528.93, 23,273.86 and 8,412.90 is: 12,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.93 : 23,273.86 = 8,412.90 : x
  2. Step 2: Convert to fraction form
    15,528.93/23,273.86 = 8,412.90/x
  3. Step 3: Cross multiply
    15,528.93x = 23,273.86 × 8,412.90
  4. Step 4: Simplify right side
    15,528.93x = 195,800,528.32
  5. Step 5: Solve for x
    x = 195,800,528.32/15,528.93
  6. Step 6: Final answer
    x = 12,608.76

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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.