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Finding the Fourth Proportional to 10,304.88, 14,220.73 and 5,589.19

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Solution

The fourth proportional to 10,304.88, 14,220.73 and 5,589.19 is: 7,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.88 : 14,220.73 = 5,589.19 : x
  2. Step 2: Convert to fraction form
    10,304.88/14,220.73 = 5,589.19/x
  3. Step 3: Cross multiply
    10,304.88x = 14,220.73 × 5,589.19
  4. Step 4: Simplify right side
    10,304.88x = 79,482,361.91
  5. Step 5: Solve for x
    x = 79,482,361.91/10,304.88
  6. Step 6: Final answer
    x = 7,713.08

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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.