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Finding the Fourth Proportional to 8,997.84, 12,422.16 and 6,018.72

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Solution

The fourth proportional to 8,997.84, 12,422.16 and 6,018.72 is: 8,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.84 : 12,422.16 = 6,018.72 : x
  2. Step 2: Convert to fraction form
    8,997.84/12,422.16 = 6,018.72/x
  3. Step 3: Cross multiply
    8,997.84x = 12,422.16 × 6,018.72
  4. Step 4: Simplify right side
    8,997.84x = 74,765,502.84
  5. Step 5: Solve for x
    x = 74,765,502.84/8,997.84
  6. Step 6: Final answer
    x = 8,309.27

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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.