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Finding the Fourth Proportional to 46,351.80, 69,549.30 and 34,687.80

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Solution

The fourth proportional to 46,351.80, 69,549.30 and 34,687.80 is: 52,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,351.80 : 69,549.30 = 34,687.80 : x
  2. Step 2: Convert to fraction form
    46,351.80/69,549.30 = 34,687.80/x
  3. Step 3: Cross multiply
    46,351.80x = 69,549.30 × 34,687.80
  4. Step 4: Simplify right side
    46,351.80x = 2,412,512,208.54
  5. Step 5: Solve for x
    x = 2,412,512,208.54/46,351.80
  6. Step 6: Final answer
    x = 52,047.86

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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.