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Finding the Fourth Proportional to 3,084.96, 4,627.44 and 893.71

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Solution

The fourth proportional to 3,084.96, 4,627.44 and 893.71 is: 1,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.96 : 4,627.44 = 893.71 : x
  2. Step 2: Convert to fraction form
    3,084.96/4,627.44 = 893.71/x
  3. Step 3: Cross multiply
    3,084.96x = 4,627.44 × 893.71
  4. Step 4: Simplify right side
    3,084.96x = 4,135,583.43
  5. Step 5: Solve for x
    x = 4,135,583.43/3,084.96
  6. Step 6: Final answer
    x = 1,340.56

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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.