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Finding the Fourth Proportional to 36,425.88, 50,267.88 and 20,510.59

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Solution

The fourth proportional to 36,425.88, 50,267.88 and 20,510.59 is: 28,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,425.88 : 50,267.88 = 20,510.59 : x
  2. Step 2: Convert to fraction form
    36,425.88/50,267.88 = 20,510.59/x
  3. Step 3: Cross multiply
    36,425.88x = 50,267.88 × 20,510.59
  4. Step 4: Simplify right side
    36,425.88x = 1,031,023,876.85
  5. Step 5: Solve for x
    x = 1,031,023,876.85/36,425.88
  6. Step 6: Final answer
    x = 28,304.71

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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.