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Finding the Fourth Proportional to 5,865.17, 8,796.83 and 1,916.40

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Solution

The fourth proportional to 5,865.17, 8,796.83 and 1,916.40 is: 2,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.17 : 8,796.83 = 1,916.40 : x
  2. Step 2: Convert to fraction form
    5,865.17/8,796.83 = 1,916.40/x
  3. Step 3: Cross multiply
    5,865.17x = 8,796.83 × 1,916.40
  4. Step 4: Simplify right side
    5,865.17x = 16,858,202.44
  5. Step 5: Solve for x
    x = 16,858,202.44/5,865.17
  6. Step 6: Final answer
    x = 2,874.29

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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.