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Finding the Fourth Proportional to 5,511.69, 7,606.13 and 3,027.69

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Solution

The fourth proportional to 5,511.69, 7,606.13 and 3,027.69 is: 4,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.69 : 7,606.13 = 3,027.69 : x
  2. Step 2: Convert to fraction form
    5,511.69/7,606.13 = 3,027.69/x
  3. Step 3: Cross multiply
    5,511.69x = 7,606.13 × 3,027.69
  4. Step 4: Simplify right side
    5,511.69x = 23,028,984.72
  5. Step 5: Solve for x
    x = 23,028,984.72/5,511.69
  6. Step 6: Final answer
    x = 4,178.21

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Half scale
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Double 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.