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Finding the Fourth Proportional to 54,861.44, 82,151.69 and 37,971.09

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Solution

The fourth proportional to 54,861.44, 82,151.69 and 37,971.09 is: 56,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.44 : 82,151.69 = 37,971.09 : x
  2. Step 2: Convert to fraction form
    54,861.44/82,151.69 = 37,971.09/x
  3. Step 3: Cross multiply
    54,861.44x = 82,151.69 × 37,971.09
  4. Step 4: Simplify right side
    54,861.44x = 3,119,389,024.79
  5. Step 5: Solve for x
    x = 3,119,389,024.79/54,861.44
  6. Step 6: Final answer
    x = 56,859.41

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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.