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Finding the Fourth Proportional to 3,668.66, 5,503.46 and 1,203.74

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Solution

The fourth proportional to 3,668.66, 5,503.46 and 1,203.74 is: 1,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.66 : 5,503.46 = 1,203.74 : x
  2. Step 2: Convert to fraction form
    3,668.66/5,503.46 = 1,203.74/x
  3. Step 3: Cross multiply
    3,668.66x = 5,503.46 × 1,203.74
  4. Step 4: Simplify right side
    3,668.66x = 6,624,734.94
  5. Step 5: Solve for x
    x = 6,624,734.94/3,668.66
  6. Step 6: Final answer
    x = 1,805.76

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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.