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Finding the Fourth Proportional to 17,578.16, 24,257.81 and 9,620.45

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Solution

The fourth proportional to 17,578.16, 24,257.81 and 9,620.45 is: 13,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.16 : 24,257.81 = 9,620.45 : x
  2. Step 2: Convert to fraction form
    17,578.16/24,257.81 = 9,620.45/x
  3. Step 3: Cross multiply
    17,578.16x = 24,257.81 × 9,620.45
  4. Step 4: Simplify right side
    17,578.16x = 233,371,000.11
  5. Step 5: Solve for x
    x = 233,371,000.11/17,578.16
  6. Step 6: Final answer
    x = 13,276.19

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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.