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Finding the Fourth Proportional to 55,595.62, 76,690.83 and 32,912.48

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Solution

The fourth proportional to 55,595.62, 76,690.83 and 32,912.48 is: 45,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.62 : 76,690.83 = 32,912.48 : x
  2. Step 2: Convert to fraction form
    55,595.62/76,690.83 = 32,912.48/x
  3. Step 3: Cross multiply
    55,595.62x = 76,690.83 × 32,912.48
  4. Step 4: Simplify right side
    55,595.62x = 2,524,085,408.56
  5. Step 5: Solve for x
    x = 2,524,085,408.56/55,595.62
  6. Step 6: Final answer
    x = 45,400.80

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1.5x scale

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.