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Finding the Fourth Proportional to 51,879.49, 77,769.42 and 33,106.52

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Solution

The fourth proportional to 51,879.49, 77,769.42 and 33,106.52 is: 49,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.49 : 77,769.42 = 33,106.52 : x
  2. Step 2: Convert to fraction form
    51,879.49/77,769.42 = 33,106.52/x
  3. Step 3: Cross multiply
    51,879.49x = 77,769.42 × 33,106.52
  4. Step 4: Simplify right side
    51,879.49x = 2,574,674,928.89
  5. Step 5: Solve for x
    x = 2,574,674,928.89/51,879.49
  6. Step 6: Final answer
    x = 49,627.99

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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.