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Finding the Fourth Proportional to 4,529, 6,248.94 and 2,639.44

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Solution

The fourth proportional to 4,529, 6,248.94 and 2,639.44 is: 3,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529 : 6,248.94 = 2,639.44 : x
  2. Step 2: Convert to fraction form
    4,529/6,248.94 = 2,639.44/x
  3. Step 3: Cross multiply
    4,529x = 6,248.94 × 2,639.44
  4. Step 4: Simplify right side
    4,529x = 16,493,702.19
  5. Step 5: Solve for x
    x = 16,493,702.19/4,529
  6. Step 6: Final answer
    x = 3,641.80

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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.