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Finding the Fourth Proportional to 36,542.63, 50,428.89 and 19,775.63

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Solution

The fourth proportional to 36,542.63, 50,428.89 and 19,775.63 is: 27,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,542.63 : 50,428.89 = 19,775.63 : x
  2. Step 2: Convert to fraction form
    36,542.63/50,428.89 = 19,775.63/x
  3. Step 3: Cross multiply
    36,542.63x = 50,428.89 × 19,775.63
  4. Step 4: Simplify right side
    36,542.63x = 997,263,069.95
  5. Step 5: Solve for x
    x = 997,263,069.95/36,542.63
  6. Step 6: Final answer
    x = 27,290.40

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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.