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Finding the Fourth Proportional to 76,518.49, 114,714.55 and 33,793.49

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Solution

The fourth proportional to 76,518.49, 114,714.55 and 33,793.49 is: 50,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,518.49 : 114,714.55 = 33,793.49 : x
  2. Step 2: Convert to fraction form
    76,518.49/114,714.55 = 33,793.49/x
  3. Step 3: Cross multiply
    76,518.49x = 114,714.55 × 33,793.49
  4. Step 4: Simplify right side
    76,518.49x = 3,876,604,998.28
  5. Step 5: Solve for x
    x = 3,876,604,998.28/76,518.49
  6. Step 6: Final answer
    x = 50,662.33

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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.