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Finding the Fourth Proportional to 41,400.72, 61,783.02 and 36,971.92

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Solution

The fourth proportional to 41,400.72, 61,783.02 and 36,971.92 is: 55,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,400.72 : 61,783.02 = 36,971.92 : x
  2. Step 2: Convert to fraction form
    41,400.72/61,783.02 = 36,971.92/x
  3. Step 3: Cross multiply
    41,400.72x = 61,783.02 × 36,971.92
  4. Step 4: Simplify right side
    41,400.72x = 2,284,236,872.80
  5. Step 5: Solve for x
    x = 2,284,236,872.80/41,400.72
  6. Step 6: Final answer
    x = 55,173.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.