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Finding the Fourth Proportional to 3,693.17, 5,540.79 and 1,503.47

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Solution

The fourth proportional to 3,693.17, 5,540.79 and 1,503.47 is: 2,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.17 : 5,540.79 = 1,503.47 : x
  2. Step 2: Convert to fraction form
    3,693.17/5,540.79 = 1,503.47/x
  3. Step 3: Cross multiply
    3,693.17x = 5,540.79 × 1,503.47
  4. Step 4: Simplify right side
    3,693.17x = 8,330,383.84
  5. Step 5: Solve for x
    x = 8,330,383.84/3,693.17
  6. Step 6: Final answer
    x = 2,255.62

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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.