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Finding the Fourth Proportional to 22,250.93, 30,705.53 and 12,179.16

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Solution

The fourth proportional to 22,250.93, 30,705.53 and 12,179.16 is: 16,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.93 : 30,705.53 = 12,179.16 : x
  2. Step 2: Convert to fraction form
    22,250.93/30,705.53 = 12,179.16/x
  3. Step 3: Cross multiply
    22,250.93x = 30,705.53 × 12,179.16
  4. Step 4: Simplify right side
    22,250.93x = 373,967,501.86
  5. Step 5: Solve for x
    x = 373,967,501.86/22,250.93
  6. Step 6: Final answer
    x = 16,806.83

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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.