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Finding the Fourth Proportional to 15,144.84, 22,720.91 and 6,382.26

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Solution

The fourth proportional to 15,144.84, 22,720.91 and 6,382.26 is: 9,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.84 : 22,720.91 = 6,382.26 : x
  2. Step 2: Convert to fraction form
    15,144.84/22,720.91 = 6,382.26/x
  3. Step 3: Cross multiply
    15,144.84x = 22,720.91 × 6,382.26
  4. Step 4: Simplify right side
    15,144.84x = 145,010,723.15
  5. Step 5: Solve for x
    x = 145,010,723.15/15,144.84
  6. Step 6: Final answer
    x = 9,574.93

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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.