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Finding the Fourth Proportional to 7,399.41, 10,211.24 and 4,042.16

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Solution

The fourth proportional to 7,399.41, 10,211.24 and 4,042.16 is: 5,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.41 : 10,211.24 = 4,042.16 : x
  2. Step 2: Convert to fraction form
    7,399.41/10,211.24 = 4,042.16/x
  3. Step 3: Cross multiply
    7,399.41x = 10,211.24 × 4,042.16
  4. Step 4: Simplify right side
    7,399.41x = 41,275,501.51
  5. Step 5: Solve for x
    x = 41,275,501.51/7,399.41
  6. Step 6: Final answer
    x = 5,578.22

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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.