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Finding the Fourth Proportional to 36,925.78, 50,957.31 and 20,158.78

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Solution

The fourth proportional to 36,925.78, 50,957.31 and 20,158.78 is: 27,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,925.78 : 50,957.31 = 20,158.78 : x
  2. Step 2: Convert to fraction form
    36,925.78/50,957.31 = 20,158.78/x
  3. Step 3: Cross multiply
    36,925.78x = 50,957.31 × 20,158.78
  4. Step 4: Simplify right side
    36,925.78x = 1,027,237,124.69
  5. Step 5: Solve for x
    x = 1,027,237,124.69/36,925.78
  6. Step 6: Final answer
    x = 27,818.97

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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.