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Finding the Fourth Proportional to 1,204, 1,651.53 and 1,193.60

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Solution

The fourth proportional to 1,204, 1,651.53 and 1,193.60 is: 1,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204 : 1,651.53 = 1,193.60 : x
  2. Step 2: Convert to fraction form
    1,204/1,651.53 = 1,193.60/x
  3. Step 3: Cross multiply
    1,204x = 1,651.53 × 1,193.60
  4. Step 4: Simplify right side
    1,204x = 1,971,266.21
  5. Step 5: Solve for x
    x = 1,971,266.21/1,204
  6. Step 6: Final answer
    x = 1,637.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.