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Finding the Fourth Proportional to 41,157.33, 61,741.88 and 12,696.69

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Solution

The fourth proportional to 41,157.33, 61,741.88 and 12,696.69 is: 19,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,157.33 : 61,741.88 = 12,696.69 : x
  2. Step 2: Convert to fraction form
    41,157.33/61,741.88 = 12,696.69/x
  3. Step 3: Cross multiply
    41,157.33x = 61,741.88 × 12,696.69
  4. Step 4: Simplify right side
    41,157.33x = 783,917,510.38
  5. Step 5: Solve for x
    x = 783,917,510.38/41,157.33
  6. Step 6: Final answer
    x = 19,046.85

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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.