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Finding the Fourth Proportional to 3,696.89, 5,540.54 and 1,503.07

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Solution

The fourth proportional to 3,696.89, 5,540.54 and 1,503.07 is: 2,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.89 : 5,540.54 = 1,503.07 : x
  2. Step 2: Convert to fraction form
    3,696.89/5,540.54 = 1,503.07/x
  3. Step 3: Cross multiply
    3,696.89x = 5,540.54 × 1,503.07
  4. Step 4: Simplify right side
    3,696.89x = 8,327,819.46
  5. Step 5: Solve for x
    x = 8,327,819.46/3,696.89
  6. Step 6: Final answer
    x = 2,252.66

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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.