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Finding the Fourth Proportional to 1,583.60, 2,372.04 and 759.33

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Solution

The fourth proportional to 1,583.60, 2,372.04 and 759.33 is: 1,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.60 : 2,372.04 = 759.33 : x
  2. Step 2: Convert to fraction form
    1,583.60/2,372.04 = 759.33/x
  3. Step 3: Cross multiply
    1,583.60x = 2,372.04 × 759.33
  4. Step 4: Simplify right side
    1,583.60x = 1,801,161.13
  5. Step 5: Solve for x
    x = 1,801,161.13/1,583.60
  6. Step 6: Final answer
    x = 1,137.39

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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.