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Finding the Fourth Proportional to 76,553.56, 114,780.96 and 36,550.90

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Solution

The fourth proportional to 76,553.56, 114,780.96 and 36,550.90 is: 54,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,553.56 : 114,780.96 = 36,550.90 : x
  2. Step 2: Convert to fraction form
    76,553.56/114,780.96 = 36,550.90/x
  3. Step 3: Cross multiply
    76,553.56x = 114,780.96 × 36,550.90
  4. Step 4: Simplify right side
    76,553.56x = 4,195,347,390.86
  5. Step 5: Solve for x
    x = 4,195,347,390.86/76,553.56
  6. Step 6: Final answer
    x = 54,802.77

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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.