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Finding the Fourth Proportional to 36,992.60, 55,430.46 and 30,033.08

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Solution

The fourth proportional to 36,992.60, 55,430.46 and 30,033.08 is: 45,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992.60 : 55,430.46 = 30,033.08 : x
  2. Step 2: Convert to fraction form
    36,992.60/55,430.46 = 30,033.08/x
  3. Step 3: Cross multiply
    36,992.60x = 55,430.46 × 30,033.08
  4. Step 4: Simplify right side
    36,992.60x = 1,664,747,439.62
  5. Step 5: Solve for x
    x = 1,664,747,439.62/36,992.60
  6. Step 6: Final answer
    x = 45,002.17

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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.