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Finding the Fourth Proportional to 36,518.69, 50,395.80 and 19,751.69

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Solution

The fourth proportional to 36,518.69, 50,395.80 and 19,751.69 is: 27,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.69 : 50,395.80 = 19,751.69 : x
  2. Step 2: Convert to fraction form
    36,518.69/50,395.80 = 19,751.69/x
  3. Step 3: Cross multiply
    36,518.69x = 50,395.80 × 19,751.69
  4. Step 4: Simplify right side
    36,518.69x = 995,402,120.14
  5. Step 5: Solve for x
    x = 995,402,120.14/36,518.69
  6. Step 6: Final answer
    x = 27,257.33

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Half scale
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Double scale
Find fourth proportional to 36,519.69, 50,397.18 and 19,752.69
Similar ratio
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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.