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Finding the Fourth Proportional to 22,166.95, 30,589.31 and 12,094.79

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Solution

The fourth proportional to 22,166.95, 30,589.31 and 12,094.79 is: 16,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.95 : 30,589.31 = 12,094.79 : x
  2. Step 2: Convert to fraction form
    22,166.95/30,589.31 = 12,094.79/x
  3. Step 3: Cross multiply
    22,166.95x = 30,589.31 × 12,094.79
  4. Step 4: Simplify right side
    22,166.95x = 369,971,280.69
  5. Step 5: Solve for x
    x = 369,971,280.69/22,166.95
  6. Step 6: Final answer
    x = 16,690.22

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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.