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Finding the Fourth Proportional to 36,515.19, 50,390.93 and 19,748.19

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Solution

The fourth proportional to 36,515.19, 50,390.93 and 19,748.19 is: 27,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.19 : 50,390.93 = 19,748.19 : x
  2. Step 2: Convert to fraction form
    36,515.19/50,390.93 = 19,748.19/x
  3. Step 3: Cross multiply
    36,515.19x = 50,390.93 × 19,748.19
  4. Step 4: Simplify right side
    36,515.19x = 995,129,561.18
  5. Step 5: Solve for x
    x = 995,129,561.18/36,515.19
  6. Step 6: Final answer
    x = 27,252.48

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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.