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Finding the Fourth Proportional to 11,300.46, 16,934.28 and 8,019.96

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Solution

The fourth proportional to 11,300.46, 16,934.28 and 8,019.96 is: 12,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.46 : 16,934.28 = 8,019.96 : x
  2. Step 2: Convert to fraction form
    11,300.46/16,934.28 = 8,019.96/x
  3. Step 3: Cross multiply
    11,300.46x = 16,934.28 × 8,019.96
  4. Step 4: Simplify right side
    11,300.46x = 135,812,248.23
  5. Step 5: Solve for x
    x = 135,812,248.23/11,300.46
  6. Step 6: Final answer
    x = 12,018.29

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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.