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Finding the Fourth Proportional to 1,235.07, 1,850.17 and 1,004.22

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Solution

The fourth proportional to 1,235.07, 1,850.17 and 1,004.22 is: 1,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.07 : 1,850.17 = 1,004.22 : x
  2. Step 2: Convert to fraction form
    1,235.07/1,850.17 = 1,004.22/x
  3. Step 3: Cross multiply
    1,235.07x = 1,850.17 × 1,004.22
  4. Step 4: Simplify right side
    1,235.07x = 1,857,977.72
  5. Step 5: Solve for x
    x = 1,857,977.72/1,235.07
  6. Step 6: Final answer
    x = 1,504.35

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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.