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Finding the Fourth Proportional to 49,957.61, 74,571.96 and 43,651.88

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Solution

The fourth proportional to 49,957.61, 74,571.96 and 43,651.88 is: 65,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957.61 : 74,571.96 = 43,651.88 : x
  2. Step 2: Convert to fraction form
    49,957.61/74,571.96 = 43,651.88/x
  3. Step 3: Cross multiply
    49,957.61x = 74,571.96 × 43,651.88
  4. Step 4: Simplify right side
    49,957.61x = 3,255,205,876.43
  5. Step 5: Solve for x
    x = 3,255,205,876.43/49,957.61
  6. Step 6: Final answer
    x = 65,159.37

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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.