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Finding the Fourth Proportional to 16,246.89, 22,421.04 and 9,173.46

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Solution

The fourth proportional to 16,246.89, 22,421.04 and 9,173.46 is: 12,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.89 : 22,421.04 = 9,173.46 : x
  2. Step 2: Convert to fraction form
    16,246.89/22,421.04 = 9,173.46/x
  3. Step 3: Cross multiply
    16,246.89x = 22,421.04 × 9,173.46
  4. Step 4: Simplify right side
    16,246.89x = 205,678,563.28
  5. Step 5: Solve for x
    x = 205,678,563.28/16,246.89
  6. Step 6: Final answer
    x = 12,659.57

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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.