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Finding the Fourth Proportional to 76,992.24, 115,500.48 and 32,619.12

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Solution

The fourth proportional to 76,992.24, 115,500.48 and 32,619.12 is: 48,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992.24 : 115,500.48 = 32,619.12 : x
  2. Step 2: Convert to fraction form
    76,992.24/115,500.48 = 32,619.12/x
  3. Step 3: Cross multiply
    76,992.24x = 115,500.48 × 32,619.12
  4. Step 4: Simplify right side
    76,992.24x = 3,767,524,017.18
  5. Step 5: Solve for x
    x = 3,767,524,017.18/76,992.24
  6. Step 6: Final answer
    x = 48,933.81

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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.