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Finding the Fourth Proportional to 2,546.35, 3,818.82 and 902.68

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Solution

The fourth proportional to 2,546.35, 3,818.82 and 902.68 is: 1,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.35 : 3,818.82 = 902.68 : x
  2. Step 2: Convert to fraction form
    2,546.35/3,818.82 = 902.68/x
  3. Step 3: Cross multiply
    2,546.35x = 3,818.82 × 902.68
  4. Step 4: Simplify right side
    2,546.35x = 3,447,172.44
  5. Step 5: Solve for x
    x = 3,447,172.44/2,546.35
  6. Step 6: Final answer
    x = 1,353.77

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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.