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Finding the Fourth Proportional to 12,592.96, 18,891.96 and 7,054.18

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Solution

The fourth proportional to 12,592.96, 18,891.96 and 7,054.18 is: 10,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.96 : 18,891.96 = 7,054.18 : x
  2. Step 2: Convert to fraction form
    12,592.96/18,891.96 = 7,054.18/x
  3. Step 3: Cross multiply
    12,592.96x = 18,891.96 × 7,054.18
  4. Step 4: Simplify right side
    12,592.96x = 133,267,286.39
  5. Step 5: Solve for x
    x = 133,267,286.39/12,592.96
  6. Step 6: Final answer
    x = 10,582.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.