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Finding the Fourth Proportional to 41,672.94, 57,448.88 and 29,715.54

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Solution

The fourth proportional to 41,672.94, 57,448.88 and 29,715.54 is: 40,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,672.94 : 57,448.88 = 29,715.54 : x
  2. Step 2: Convert to fraction form
    41,672.94/57,448.88 = 29,715.54/x
  3. Step 3: Cross multiply
    41,672.94x = 57,448.88 × 29,715.54
  4. Step 4: Simplify right side
    41,672.94x = 1,707,124,343.02
  5. Step 5: Solve for x
    x = 1,707,124,343.02/41,672.94
  6. Step 6: Final answer
    x = 40,964.82

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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.