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Finding the Fourth Proportional to 36,357.80, 54,407.10 and 25,212.20

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Solution

The fourth proportional to 36,357.80, 54,407.10 and 25,212.20 is: 37,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,357.80 : 54,407.10 = 25,212.20 : x
  2. Step 2: Convert to fraction form
    36,357.80/54,407.10 = 25,212.20/x
  3. Step 3: Cross multiply
    36,357.80x = 54,407.10 × 25,212.20
  4. Step 4: Simplify right side
    36,357.80x = 1,371,722,686.62
  5. Step 5: Solve for x
    x = 1,371,722,686.62/36,357.80
  6. Step 6: Final answer
    x = 37,728.43

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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.