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Finding the Fourth Proportional to 5,072.88, 7,611.06 and 3,623.34

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Solution

The fourth proportional to 5,072.88, 7,611.06 and 3,623.34 is: 5,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.88 : 7,611.06 = 3,623.34 : x
  2. Step 2: Convert to fraction form
    5,072.88/7,611.06 = 3,623.34/x
  3. Step 3: Cross multiply
    5,072.88x = 7,611.06 × 3,623.34
  4. Step 4: Simplify right side
    5,072.88x = 27,577,458.14
  5. Step 5: Solve for x
    x = 27,577,458.14/5,072.88
  6. Step 6: Final answer
    x = 5,436.25

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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.