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Finding the Fourth Proportional to 940.53, 1,297.02 and 848.24

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Solution

The fourth proportional to 940.53, 1,297.02 and 848.24 is: 1,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.53 : 1,297.02 = 848.24 : x
  2. Step 2: Convert to fraction form
    940.53/1,297.02 = 848.24/x
  3. Step 3: Cross multiply
    940.53x = 1,297.02 × 848.24
  4. Step 4: Simplify right side
    940.53x = 1,100,184.24
  5. Step 5: Solve for x
    x = 1,100,184.24/940.53
  6. Step 6: Final answer
    x = 1,169.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.