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Finding the Fourth Proportional to 41,866.86, 57,718.52 and 33,397.70

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Solution

The fourth proportional to 41,866.86, 57,718.52 and 33,397.70 is: 46,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,866.86 : 57,718.52 = 33,397.70 : x
  2. Step 2: Convert to fraction form
    41,866.86/57,718.52 = 33,397.70/x
  3. Step 3: Cross multiply
    41,866.86x = 57,718.52 × 33,397.70
  4. Step 4: Simplify right side
    41,866.86x = 1,927,665,815.40
  5. Step 5: Solve for x
    x = 1,927,665,815.40/41,866.86
  6. Step 6: Final answer
    x = 46,042.76

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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.