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Finding the Fourth Proportional to 4,685.77, 6,467.82 and 2,893.82

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Solution

The fourth proportional to 4,685.77, 6,467.82 and 2,893.82 is: 3,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.77 : 6,467.82 = 2,893.82 : x
  2. Step 2: Convert to fraction form
    4,685.77/6,467.82 = 2,893.82/x
  3. Step 3: Cross multiply
    4,685.77x = 6,467.82 × 2,893.82
  4. Step 4: Simplify right side
    4,685.77x = 18,716,706.87
  5. Step 5: Solve for x
    x = 18,716,706.87/4,685.77
  6. Step 6: Final answer
    x = 3,994.37

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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.