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Finding the Fourth Proportional to 5,550.69, 7,659.95 and 3,066.69

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Solution

The fourth proportional to 5,550.69, 7,659.95 and 3,066.69 is: 4,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.69 : 7,659.95 = 3,066.69 : x
  2. Step 2: Convert to fraction form
    5,550.69/7,659.95 = 3,066.69/x
  3. Step 3: Cross multiply
    5,550.69x = 7,659.95 × 3,066.69
  4. Step 4: Simplify right side
    5,550.69x = 23,490,692.07
  5. Step 5: Solve for x
    x = 23,490,692.07/5,550.69
  6. Step 6: Final answer
    x = 4,232.03

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.