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Finding the Fourth Proportional to 36,467.40, 50,325 and 19,700.40

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Solution

The fourth proportional to 36,467.40, 50,325 and 19,700.40 is: 27,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,467.40 : 50,325 = 19,700.40 : x
  2. Step 2: Convert to fraction form
    36,467.40/50,325 = 19,700.40/x
  3. Step 3: Cross multiply
    36,467.40x = 50,325 × 19,700.40
  4. Step 4: Simplify right side
    36,467.40x = 991,422,630.00
  5. Step 5: Solve for x
    x = 991,422,630.00/36,467.40
  6. Step 6: Final answer
    x = 27,186.55

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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.