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Finding the Fourth Proportional to 36,392.97, 54,501.98 and 20,763.21

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Solution

The fourth proportional to 36,392.97, 54,501.98 and 20,763.21 is: 31,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.97 : 54,501.98 = 20,763.21 : x
  2. Step 2: Convert to fraction form
    36,392.97/54,501.98 = 20,763.21/x
  3. Step 3: Cross multiply
    36,392.97x = 54,501.98 × 20,763.21
  4. Step 4: Simplify right side
    36,392.97x = 1,131,635,952.34
  5. Step 5: Solve for x
    x = 1,131,635,952.34/36,392.97
  6. Step 6: Final answer
    x = 31,094.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.