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Finding the Fourth Proportional to 13,473.98, 18,594.28 and 7,809.12

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Solution

The fourth proportional to 13,473.98, 18,594.28 and 7,809.12 is: 10,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.98 : 18,594.28 = 7,809.12 : x
  2. Step 2: Convert to fraction form
    13,473.98/18,594.28 = 7,809.12/x
  3. Step 3: Cross multiply
    13,473.98x = 18,594.28 × 7,809.12
  4. Step 4: Simplify right side
    13,473.98x = 145,204,943.26
  5. Step 5: Solve for x
    x = 145,204,943.26/13,473.98
  6. Step 6: Final answer
    x = 10,776.69

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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.