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Finding the Fourth Proportional to 2,609.93, 3,603.08 and 1,775.09

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Solution

The fourth proportional to 2,609.93, 3,603.08 and 1,775.09 is: 2,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.93 : 3,603.08 = 1,775.09 : x
  2. Step 2: Convert to fraction form
    2,609.93/3,603.08 = 1,775.09/x
  3. Step 3: Cross multiply
    2,609.93x = 3,603.08 × 1,775.09
  4. Step 4: Simplify right side
    2,609.93x = 6,395,777.70
  5. Step 5: Solve for x
    x = 6,395,777.70/2,609.93
  6. Step 6: Final answer
    x = 2,450.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.