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Finding the Fourth Proportional to 14,056.94, 19,398.03 and 7,769.18

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Solution

The fourth proportional to 14,056.94, 19,398.03 and 7,769.18 is: 10,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.94 : 19,398.03 = 7,769.18 : x
  2. Step 2: Convert to fraction form
    14,056.94/19,398.03 = 7,769.18/x
  3. Step 3: Cross multiply
    14,056.94x = 19,398.03 × 7,769.18
  4. Step 4: Simplify right side
    14,056.94x = 150,706,786.72
  5. Step 5: Solve for x
    x = 150,706,786.72/14,056.94
  6. Step 6: Final answer
    x = 10,721.17

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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.