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Finding the Fourth Proportional to 19,392.88, 26,763 and 11,010.16

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Solution

The fourth proportional to 19,392.88, 26,763 and 11,010.16 is: 15,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.88 : 26,763 = 11,010.16 : x
  2. Step 2: Convert to fraction form
    19,392.88/26,763 = 11,010.16/x
  3. Step 3: Cross multiply
    19,392.88x = 26,763 × 11,010.16
  4. Step 4: Simplify right side
    19,392.88x = 294,664,912.08
  5. Step 5: Solve for x
    x = 294,664,912.08/19,392.88
  6. Step 6: Final answer
    x = 15,194.49

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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.