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Finding the Fourth Proportional to 38,393.94, 57,590.92 and 15,003.98

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Solution

The fourth proportional to 38,393.94, 57,590.92 and 15,003.98 is: 22,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.94 : 57,590.92 = 15,003.98 : x
  2. Step 2: Convert to fraction form
    38,393.94/57,590.92 = 15,003.98/x
  3. Step 3: Cross multiply
    38,393.94x = 57,590.92 × 15,003.98
  4. Step 4: Simplify right side
    38,393.94x = 864,093,011.86
  5. Step 5: Solve for x
    x = 864,093,011.86/38,393.94
  6. Step 6: Final answer
    x = 22,505.97

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Similar ratio
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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.