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Finding the Fourth Proportional to 3,093.97, 4,640.88 and 902.72

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Solution

The fourth proportional to 3,093.97, 4,640.88 and 902.72 is: 1,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.97 : 4,640.88 = 902.72 : x
  2. Step 2: Convert to fraction form
    3,093.97/4,640.88 = 902.72/x
  3. Step 3: Cross multiply
    3,093.97x = 4,640.88 × 902.72
  4. Step 4: Simplify right side
    3,093.97x = 4,189,403.59
  5. Step 5: Solve for x
    x = 4,189,403.59/3,093.97
  6. Step 6: Final answer
    x = 1,354.05

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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.