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Finding the Fourth Proportional to 2,201.38, 3,302.74 and 902.94

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Solution

The fourth proportional to 2,201.38, 3,302.74 and 902.94 is: 1,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.38 : 3,302.74 = 902.94 : x
  2. Step 2: Convert to fraction form
    2,201.38/3,302.74 = 902.94/x
  3. Step 3: Cross multiply
    2,201.38x = 3,302.74 × 902.94
  4. Step 4: Simplify right side
    2,201.38x = 2,982,176.06
  5. Step 5: Solve for x
    x = 2,982,176.06/2,201.38
  6. Step 6: Final answer
    x = 1,354.68

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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.