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Finding the Fourth Proportional to 3,333.70, 4,600.36 and 1,916.41

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Solution

The fourth proportional to 3,333.70, 4,600.36 and 1,916.41 is: 2,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.70 : 4,600.36 = 1,916.41 : x
  2. Step 2: Convert to fraction form
    3,333.70/4,600.36 = 1,916.41/x
  3. Step 3: Cross multiply
    3,333.70x = 4,600.36 × 1,916.41
  4. Step 4: Simplify right side
    3,333.70x = 8,816,175.91
  5. Step 5: Solve for x
    x = 8,816,175.91/3,333.70
  6. Step 6: Final answer
    x = 2,644.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.