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Finding the Fourth Proportional to 36,544.69, 50,431.68 and 19,777.69

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Solution

The fourth proportional to 36,544.69, 50,431.68 and 19,777.69 is: 27,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.69 : 50,431.68 = 19,777.69 : x
  2. Step 2: Convert to fraction form
    36,544.69/50,431.68 = 19,777.69/x
  3. Step 3: Cross multiply
    36,544.69x = 50,431.68 × 19,777.69
  4. Step 4: Simplify right side
    36,544.69x = 997,422,196.26
  5. Step 5: Solve for x
    x = 997,422,196.26/36,544.69
  6. Step 6: Final answer
    x = 27,293.22

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Half scale
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Double scale
Find fourth proportional to 36,545.69, 50,433.06 and 19,778.69
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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.