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Finding the Fourth Proportional to 3,734.51, 5,603.31 and 1,267.99

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Solution

The fourth proportional to 3,734.51, 5,603.31 and 1,267.99 is: 1,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.51 : 5,603.31 = 1,267.99 : x
  2. Step 2: Convert to fraction form
    3,734.51/5,603.31 = 1,267.99/x
  3. Step 3: Cross multiply
    3,734.51x = 5,603.31 × 1,267.99
  4. Step 4: Simplify right side
    3,734.51x = 7,104,927.04
  5. Step 5: Solve for x
    x = 7,104,927.04/3,734.51
  6. Step 6: Final answer
    x = 1,902.51

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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.