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Finding the Fourth Proportional to 13,806.02, 19,052.30 and 7,518.44

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Solution

The fourth proportional to 13,806.02, 19,052.30 and 7,518.44 is: 10,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.02 : 19,052.30 = 7,518.44 : x
  2. Step 2: Convert to fraction form
    13,806.02/19,052.30 = 7,518.44/x
  3. Step 3: Cross multiply
    13,806.02x = 19,052.30 × 7,518.44
  4. Step 4: Simplify right side
    13,806.02x = 143,243,574.41
  5. Step 5: Solve for x
    x = 143,243,574.41/13,806.02
  6. Step 6: Final answer
    x = 10,375.44

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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.