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Finding the Fourth Proportional to 57,763.44, 79,714.16 and 33,890.51

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Solution

The fourth proportional to 57,763.44, 79,714.16 and 33,890.51 is: 46,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.44 : 79,714.16 = 33,890.51 : x
  2. Step 2: Convert to fraction form
    57,763.44/79,714.16 = 33,890.51/x
  3. Step 3: Cross multiply
    57,763.44x = 79,714.16 × 33,890.51
  4. Step 4: Simplify right side
    57,763.44x = 2,701,553,367.17
  5. Step 5: Solve for x
    x = 2,701,553,367.17/57,763.44
  6. Step 6: Final answer
    x = 46,769.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.