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Finding the Fourth Proportional to 20,599.83, 30,864.45 and 11,246.40

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Solution

The fourth proportional to 20,599.83, 30,864.45 and 11,246.40 is: 16,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.83 : 30,864.45 = 11,246.40 : x
  2. Step 2: Convert to fraction form
    20,599.83/30,864.45 = 11,246.40/x
  3. Step 3: Cross multiply
    20,599.83x = 30,864.45 × 11,246.40
  4. Step 4: Simplify right side
    20,599.83x = 347,113,950.48
  5. Step 5: Solve for x
    x = 347,113,950.48/20,599.83
  6. Step 6: Final answer
    x = 16,850.33

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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.