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Finding the Fourth Proportional to 3,798.99, 5,698.45 and 1,333.23

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Solution

The fourth proportional to 3,798.99, 5,698.45 and 1,333.23 is: 1,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.99 : 5,698.45 = 1,333.23 : x
  2. Step 2: Convert to fraction form
    3,798.99/5,698.45 = 1,333.23/x
  3. Step 3: Cross multiply
    3,798.99x = 5,698.45 × 1,333.23
  4. Step 4: Simplify right side
    3,798.99x = 7,597,344.49
  5. Step 5: Solve for x
    x = 7,597,344.49/3,798.99
  6. Step 6: Final answer
    x = 1,999.83

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Half scale
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Double scale
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Similar ratio
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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.