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Finding the Fourth Proportional to 73,071.92, 109,619.34 and 30,952.12

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Solution

The fourth proportional to 73,071.92, 109,619.34 and 30,952.12 is: 46,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.92 : 109,619.34 = 30,952.12 : x
  2. Step 2: Convert to fraction form
    73,071.92/109,619.34 = 30,952.12/x
  3. Step 3: Cross multiply
    73,071.92x = 109,619.34 × 30,952.12
  4. Step 4: Simplify right side
    73,071.92x = 3,392,950,575.88
  5. Step 5: Solve for x
    x = 3,392,950,575.88/73,071.92
  6. Step 6: Final answer
    x = 46,433.03

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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.