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Finding the Fourth Proportional to 36,573.19, 50,471.19 and 20,440.77

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Solution

The fourth proportional to 36,573.19, 50,471.19 and 20,440.77 is: 28,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.19 : 50,471.19 = 20,440.77 : x
  2. Step 2: Convert to fraction form
    36,573.19/50,471.19 = 20,440.77/x
  3. Step 3: Cross multiply
    36,573.19x = 50,471.19 × 20,440.77
  4. Step 4: Simplify right side
    36,573.19x = 1,031,669,986.42
  5. Step 5: Solve for x
    x = 1,031,669,986.42/36,573.19
  6. Step 6: Final answer
    x = 28,208.37

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Half scale
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Double scale
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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.