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Finding the Fourth Proportional to 36,472.80, 50,332.80 and 20,555.84

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Solution

The fourth proportional to 36,472.80, 50,332.80 and 20,555.84 is: 28,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.80 : 50,332.80 = 20,555.84 : x
  2. Step 2: Convert to fraction form
    36,472.80/50,332.80 = 20,555.84/x
  3. Step 3: Cross multiply
    36,472.80x = 50,332.80 × 20,555.84
  4. Step 4: Simplify right side
    36,472.80x = 1,034,632,983.55
  5. Step 5: Solve for x
    x = 1,034,632,983.55/36,472.80
  6. Step 6: Final answer
    x = 28,367.25

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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.