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Finding the Fourth Proportional to 48,586.68, 72,855 and 22,268.88

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Solution

The fourth proportional to 48,586.68, 72,855 and 22,268.88 is: 33,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,586.68 : 72,855 = 22,268.88 : x
  2. Step 2: Convert to fraction form
    48,586.68/72,855 = 22,268.88/x
  3. Step 3: Cross multiply
    48,586.68x = 72,855 × 22,268.88
  4. Step 4: Simplify right side
    48,586.68x = 1,622,399,252.40
  5. Step 5: Solve for x
    x = 1,622,399,252.40/48,586.68
  6. Step 6: Final answer
    x = 33,391.85

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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.