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Finding the Fourth Proportional to 41,881.61, 57,749.71 and 39,224.41

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Solution

The fourth proportional to 41,881.61, 57,749.71 and 39,224.41 is: 54,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,881.61 : 57,749.71 = 39,224.41 : x
  2. Step 2: Convert to fraction form
    41,881.61/57,749.71 = 39,224.41/x
  3. Step 3: Cross multiply
    41,881.61x = 57,749.71 × 39,224.41
  4. Step 4: Simplify right side
    41,881.61x = 2,265,198,207.08
  5. Step 5: Solve for x
    x = 2,265,198,207.08/41,881.61
  6. Step 6: Final answer
    x = 54,085.74

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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.