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Finding the Fourth Proportional to 19,003.24, 28,477.86 and 8,997.31

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Solution

The fourth proportional to 19,003.24, 28,477.86 and 8,997.31 is: 13,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.24 : 28,477.86 = 8,997.31 : x
  2. Step 2: Convert to fraction form
    19,003.24/28,477.86 = 8,997.31/x
  3. Step 3: Cross multiply
    19,003.24x = 28,477.86 × 8,997.31
  4. Step 4: Simplify right side
    19,003.24x = 256,224,134.56
  5. Step 5: Solve for x
    x = 256,224,134.56/19,003.24
  6. Step 6: Final answer
    x = 13,483.18

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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.