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Finding the Fourth Proportional to 48,406.33, 72,349.97 and 43,651.63

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Solution

The fourth proportional to 48,406.33, 72,349.97 and 43,651.63 is: 65,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406.33 : 72,349.97 = 43,651.63 : x
  2. Step 2: Convert to fraction form
    48,406.33/72,349.97 = 43,651.63/x
  3. Step 3: Cross multiply
    48,406.33x = 72,349.97 × 43,651.63
  4. Step 4: Simplify right side
    48,406.33x = 3,158,194,120.95
  5. Step 5: Solve for x
    x = 3,158,194,120.95/48,406.33
  6. Step 6: Final answer
    x = 65,243.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.