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Finding the Fourth Proportional to 33,998.87, 50,980.79 and 15,262.86

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Solution

The fourth proportional to 33,998.87, 50,980.79 and 15,262.86 is: 22,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,998.87 : 50,980.79 = 15,262.86 : x
  2. Step 2: Convert to fraction form
    33,998.87/50,980.79 = 15,262.86/x
  3. Step 3: Cross multiply
    33,998.87x = 50,980.79 × 15,262.86
  4. Step 4: Simplify right side
    33,998.87x = 778,112,889.79
  5. Step 5: Solve for x
    x = 778,112,889.79/33,998.87
  6. Step 6: Final answer
    x = 22,886.43

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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.