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Finding the Fourth Proportional to 3,668.69, 5,503.05 and 1,036.48

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Solution

The fourth proportional to 3,668.69, 5,503.05 and 1,036.48 is: 1,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.69 : 5,503.05 = 1,036.48 : x
  2. Step 2: Convert to fraction form
    3,668.69/5,503.05 = 1,036.48/x
  3. Step 3: Cross multiply
    3,668.69x = 5,503.05 × 1,036.48
  4. Step 4: Simplify right side
    3,668.69x = 5,703,822.50
  5. Step 5: Solve for x
    x = 5,703,822.50/3,668.69
  6. Step 6: Final answer
    x = 1,554.73

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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.