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Finding the Fourth Proportional to 14,997.18, 22,471.12 and 5,131.08

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Solution

The fourth proportional to 14,997.18, 22,471.12 and 5,131.08 is: 7,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.18 : 22,471.12 = 5,131.08 : x
  2. Step 2: Convert to fraction form
    14,997.18/22,471.12 = 5,131.08/x
  3. Step 3: Cross multiply
    14,997.18x = 22,471.12 × 5,131.08
  4. Step 4: Simplify right side
    14,997.18x = 115,301,120.82
  5. Step 5: Solve for x
    x = 115,301,120.82/14,997.18
  6. Step 6: Final answer
    x = 7,688.18

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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.