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Finding the Fourth Proportional to 36,172.88, 49,922.85 and 20,254.25

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Solution

The fourth proportional to 36,172.88, 49,922.85 and 20,254.25 is: 27,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.88 : 49,922.85 = 20,254.25 : x
  2. Step 2: Convert to fraction form
    36,172.88/49,922.85 = 20,254.25/x
  3. Step 3: Cross multiply
    36,172.88x = 49,922.85 × 20,254.25
  4. Step 4: Simplify right side
    36,172.88x = 1,011,149,884.61
  5. Step 5: Solve for x
    x = 1,011,149,884.61/36,172.88
  6. Step 6: Final answer
    x = 27,953.26

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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.