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Finding the Fourth Proportional to 41,472, 57,231.48 and 22,608.72

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Solution

The fourth proportional to 41,472, 57,231.48 and 22,608.72 is: 31,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472 : 57,231.48 = 22,608.72 : x
  2. Step 2: Convert to fraction form
    41,472/57,231.48 = 22,608.72/x
  3. Step 3: Cross multiply
    41,472x = 57,231.48 × 22,608.72
  4. Step 4: Simplify right side
    41,472x = 1,293,930,506.51
  5. Step 5: Solve for x
    x = 1,293,930,506.51/41,472
  6. Step 6: Final answer
    x = 31,200.10

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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.