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Finding the Fourth Proportional to 6,969, 10,453.98 and 2,287.77

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Solution

The fourth proportional to 6,969, 10,453.98 and 2,287.77 is: 3,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969 : 10,453.98 = 2,287.77 : x
  2. Step 2: Convert to fraction form
    6,969/10,453.98 = 2,287.77/x
  3. Step 3: Cross multiply
    6,969x = 10,453.98 × 2,287.77
  4. Step 4: Simplify right side
    6,969x = 23,916,301.82
  5. Step 5: Solve for x
    x = 23,916,301.82/6,969
  6. Step 6: Final answer
    x = 3,431.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.