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Finding the Fourth Proportional to 16,264.28, 22,444.82 and 8,812.28

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Solution

The fourth proportional to 16,264.28, 22,444.82 and 8,812.28 is: 12,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,264.28 : 22,444.82 = 8,812.28 : x
  2. Step 2: Convert to fraction form
    16,264.28/22,444.82 = 8,812.28/x
  3. Step 3: Cross multiply
    16,264.28x = 22,444.82 × 8,812.28
  4. Step 4: Simplify right side
    16,264.28x = 197,790,038.39
  5. Step 5: Solve for x
    x = 197,790,038.39/16,264.28
  6. Step 6: Final answer
    x = 12,161.01

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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.