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Finding the Fourth Proportional to 19,193.25, 26,486.73 and 10,809.75

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Solution

The fourth proportional to 19,193.25, 26,486.73 and 10,809.75 is: 14,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.25 : 26,486.73 = 10,809.75 : x
  2. Step 2: Convert to fraction form
    19,193.25/26,486.73 = 10,809.75/x
  3. Step 3: Cross multiply
    19,193.25x = 26,486.73 × 10,809.75
  4. Step 4: Simplify right side
    19,193.25x = 286,314,929.62
  5. Step 5: Solve for x
    x = 286,314,929.62/19,193.25
  6. Step 6: Final answer
    x = 14,917.48

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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.