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Finding the Fourth Proportional to 14,054.13, 19,394.64 and 7,766.55

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Solution

The fourth proportional to 14,054.13, 19,394.64 and 7,766.55 is: 10,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.13 : 19,394.64 = 7,766.55 : x
  2. Step 2: Convert to fraction form
    14,054.13/19,394.64 = 7,766.55/x
  3. Step 3: Cross multiply
    14,054.13x = 19,394.64 × 7,766.55
  4. Step 4: Simplify right side
    14,054.13x = 150,629,441.29
  5. Step 5: Solve for x
    x = 150,629,441.29/14,054.13
  6. Step 6: Final answer
    x = 10,717.81

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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.