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Finding the Fourth Proportional to 37,958.88, 56,972.88 and 20,204.45

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Solution

The fourth proportional to 37,958.88, 56,972.88 and 20,204.45 is: 30,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,958.88 : 56,972.88 = 20,204.45 : x
  2. Step 2: Convert to fraction form
    37,958.88/56,972.88 = 20,204.45/x
  3. Step 3: Cross multiply
    37,958.88x = 56,972.88 × 20,204.45
  4. Step 4: Simplify right side
    37,958.88x = 1,151,105,847.75
  5. Step 5: Solve for x
    x = 1,151,105,847.75/37,958.88
  6. Step 6: Final answer
    x = 30,325.07

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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.