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Finding the Fourth Proportional to 22,409.87, 30,912.80 and 14,011.79

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Solution

The fourth proportional to 22,409.87, 30,912.80 and 14,011.79 is: 19,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.87 : 30,912.80 = 14,011.79 : x
  2. Step 2: Convert to fraction form
    22,409.87/30,912.80 = 14,011.79/x
  3. Step 3: Cross multiply
    22,409.87x = 30,912.80 × 14,011.79
  4. Step 4: Simplify right side
    22,409.87x = 433,143,774.22
  5. Step 5: Solve for x
    x = 433,143,774.22/22,409.87
  6. Step 6: Final answer
    x = 19,328.26

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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.