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Finding the Fourth Proportional to 55,762.43, 83,630.88 and 33,279.46

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Solution

The fourth proportional to 55,762.43, 83,630.88 and 33,279.46 is: 49,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,762.43 : 83,630.88 = 33,279.46 : x
  2. Step 2: Convert to fraction form
    55,762.43/83,630.88 = 33,279.46/x
  3. Step 3: Cross multiply
    55,762.43x = 83,630.88 × 33,279.46
  4. Step 4: Simplify right side
    55,762.43x = 2,783,190,316.65
  5. Step 5: Solve for x
    x = 2,783,190,316.65/55,762.43
  6. Step 6: Final answer
    x = 49,911.57

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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.