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Finding the Fourth Proportional to 3,611.07, 4,983.32 and 2,213.82

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Solution

The fourth proportional to 3,611.07, 4,983.32 and 2,213.82 is: 3,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.07 : 4,983.32 = 2,213.82 : x
  2. Step 2: Convert to fraction form
    3,611.07/4,983.32 = 2,213.82/x
  3. Step 3: Cross multiply
    3,611.07x = 4,983.32 × 2,213.82
  4. Step 4: Simplify right side
    3,611.07x = 11,032,162.41
  5. Step 5: Solve for x
    x = 11,032,162.41/3,611.07
  6. Step 6: Final answer
    x = 3,055.10

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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.