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Finding the Fourth Proportional to 2,603.94, 3,905.91 and 2,573.70

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Solution

The fourth proportional to 2,603.94, 3,905.91 and 2,573.70 is: 3,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.94 : 3,905.91 = 2,573.70 : x
  2. Step 2: Convert to fraction form
    2,603.94/3,905.91 = 2,573.70/x
  3. Step 3: Cross multiply
    2,603.94x = 3,905.91 × 2,573.70
  4. Step 4: Simplify right side
    2,603.94x = 10,052,640.57
  5. Step 5: Solve for x
    x = 10,052,640.57/2,603.94
  6. Step 6: Final answer
    x = 3,860.55

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1.5x scale

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.