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Finding the Fourth Proportional to 36,063.88, 49,764.60 and 20,147.98

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Solution

The fourth proportional to 36,063.88, 49,764.60 and 20,147.98 is: 27,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,063.88 : 49,764.60 = 20,147.98 : x
  2. Step 2: Convert to fraction form
    36,063.88/49,764.60 = 20,147.98/x
  3. Step 3: Cross multiply
    36,063.88x = 49,764.60 × 20,147.98
  4. Step 4: Simplify right side
    36,063.88x = 1,002,656,165.51
  5. Step 5: Solve for x
    x = 1,002,656,165.51/36,063.88
  6. Step 6: Final answer
    x = 27,802.23

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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.