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Finding the Fourth Proportional to 1,851.39, 2,773.17 and 1,503.09

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Solution

The fourth proportional to 1,851.39, 2,773.17 and 1,503.09 is: 2,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.39 : 2,773.17 = 1,503.09 : x
  2. Step 2: Convert to fraction form
    1,851.39/2,773.17 = 1,503.09/x
  3. Step 3: Cross multiply
    1,851.39x = 2,773.17 × 1,503.09
  4. Step 4: Simplify right side
    1,851.39x = 4,168,324.10
  5. Step 5: Solve for x
    x = 4,168,324.10/1,851.39
  6. Step 6: Final answer
    x = 2,251.46

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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.