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Finding the Fourth Proportional to 50,009.49, 74,957.13 and 16,721.73

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Solution

The fourth proportional to 50,009.49, 74,957.13 and 16,721.73 is: 25,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009.49 : 74,957.13 = 16,721.73 : x
  2. Step 2: Convert to fraction form
    50,009.49/74,957.13 = 16,721.73/x
  3. Step 3: Cross multiply
    50,009.49x = 74,957.13 × 16,721.73
  4. Step 4: Simplify right side
    50,009.49x = 1,253,412,889.43
  5. Step 5: Solve for x
    x = 1,253,412,889.43/50,009.49
  6. Step 6: Final answer
    x = 25,063.50

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1.5x scale

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.