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Finding the Fourth Proportional to 73,105.64, 109,623.84 and 33,651.08

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Solution

The fourth proportional to 73,105.64, 109,623.84 and 33,651.08 is: 50,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,105.64 : 109,623.84 = 33,651.08 : x
  2. Step 2: Convert to fraction form
    73,105.64/109,623.84 = 33,651.08/x
  3. Step 3: Cross multiply
    73,105.64x = 109,623.84 × 33,651.08
  4. Step 4: Simplify right side
    73,105.64x = 3,688,960,609.75
  5. Step 5: Solve for x
    x = 3,688,960,609.75/73,105.64
  6. Step 6: Final answer
    x = 50,460.68

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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.