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Finding the Fourth Proportional to 16,673.50, 23,009.43 and 9,221.50

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Solution

The fourth proportional to 16,673.50, 23,009.43 and 9,221.50 is: 12,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.50 : 23,009.43 = 9,221.50 : x
  2. Step 2: Convert to fraction form
    16,673.50/23,009.43 = 9,221.50/x
  3. Step 3: Cross multiply
    16,673.50x = 23,009.43 × 9,221.50
  4. Step 4: Simplify right side
    16,673.50x = 212,181,458.75
  5. Step 5: Solve for x
    x = 212,181,458.75/16,673.50
  6. Step 6: Final answer
    x = 12,725.67

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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.