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Finding the Fourth Proportional to 13,842.20, 19,101.48 and 7,554.44

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Solution

The fourth proportional to 13,842.20, 19,101.48 and 7,554.44 is: 10,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.20 : 19,101.48 = 7,554.44 : x
  2. Step 2: Convert to fraction form
    13,842.20/19,101.48 = 7,554.44/x
  3. Step 3: Cross multiply
    13,842.20x = 19,101.48 × 7,554.44
  4. Step 4: Simplify right side
    13,842.20x = 144,300,984.57
  5. Step 5: Solve for x
    x = 144,300,984.57/13,842.20
  6. Step 6: Final answer
    x = 10,424.71

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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.