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Finding the Fourth Proportional to 13,841.52, 19,100.60 and 7,873.18

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Solution

The fourth proportional to 13,841.52, 19,100.60 and 7,873.18 is: 10,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.52 : 19,100.60 = 7,873.18 : x
  2. Step 2: Convert to fraction form
    13,841.52/19,100.60 = 7,873.18/x
  3. Step 3: Cross multiply
    13,841.52x = 19,100.60 × 7,873.18
  4. Step 4: Simplify right side
    13,841.52x = 150,382,461.91
  5. Step 5: Solve for x
    x = 150,382,461.91/13,841.52
  6. Step 6: Final answer
    x = 10,864.59

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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.