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Finding the Fourth Proportional to 13,473.62, 18,593.79 and 7,808.79

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Solution

The fourth proportional to 13,473.62, 18,593.79 and 7,808.79 is: 10,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.62 : 18,593.79 = 7,808.79 : x
  2. Step 2: Convert to fraction form
    13,473.62/18,593.79 = 7,808.79/x
  3. Step 3: Cross multiply
    13,473.62x = 18,593.79 × 7,808.79
  4. Step 4: Simplify right side
    13,473.62x = 145,195,001.41
  5. Step 5: Solve for x
    x = 145,195,001.41/13,473.62
  6. Step 6: Final answer
    x = 10,776.24

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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.