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Finding the Fourth Proportional to 48,034.44, 66,259.94 and 28,901

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Solution

The fourth proportional to 48,034.44, 66,259.94 and 28,901 is: 39,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,034.44 : 66,259.94 = 28,901 : x
  2. Step 2: Convert to fraction form
    48,034.44/66,259.94 = 28,901/x
  3. Step 3: Cross multiply
    48,034.44x = 66,259.94 × 28,901
  4. Step 4: Simplify right side
    48,034.44x = 1,914,978,525.94
  5. Step 5: Solve for x
    x = 1,914,978,525.94/48,034.44
  6. Step 6: Final answer
    x = 39,866.78

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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.