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Finding the Fourth Proportional to 76,892.10, 115,350.03 and 32,519.10

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Solution

The fourth proportional to 76,892.10, 115,350.03 and 32,519.10 is: 48,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,892.10 : 115,350.03 = 32,519.10 : x
  2. Step 2: Convert to fraction form
    76,892.10/115,350.03 = 32,519.10/x
  3. Step 3: Cross multiply
    76,892.10x = 115,350.03 × 32,519.10
  4. Step 4: Simplify right side
    76,892.10x = 3,751,079,160.57
  5. Step 5: Solve for x
    x = 3,751,079,160.57/76,892.10
  6. Step 6: Final answer
    x = 48,783.67

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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.