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Finding the Fourth Proportional to 46,251.81, 69,471.71 and 40,828.05

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Solution

The fourth proportional to 46,251.81, 69,471.71 and 40,828.05 is: 61,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,251.81 : 69,471.71 = 40,828.05 : x
  2. Step 2: Convert to fraction form
    46,251.81/69,471.71 = 40,828.05/x
  3. Step 3: Cross multiply
    46,251.81x = 69,471.71 × 40,828.05
  4. Step 4: Simplify right side
    46,251.81x = 2,836,394,245.33
  5. Step 5: Solve for x
    x = 2,836,394,245.33/46,251.81
  6. Step 6: Final answer
    x = 61,325.04

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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.