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Finding the Fourth Proportional to 968.56, 1,453.14 and 693.97

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Solution

The fourth proportional to 968.56, 1,453.14 and 693.97 is: 1,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.56 : 1,453.14 = 693.97 : x
  2. Step 2: Convert to fraction form
    968.56/1,453.14 = 693.97/x
  3. Step 3: Cross multiply
    968.56x = 1,453.14 × 693.97
  4. Step 4: Simplify right side
    968.56x = 1,008,431.93
  5. Step 5: Solve for x
    x = 1,008,431.93/968.56
  6. Step 6: Final answer
    x = 1,041.17

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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.