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Finding the Fourth Proportional to 36,624.40, 54,933.40 and 12,000.40

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Solution

The fourth proportional to 36,624.40, 54,933.40 and 12,000.40 is: 17,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,624.40 : 54,933.40 = 12,000.40 : x
  2. Step 2: Convert to fraction form
    36,624.40/54,933.40 = 12,000.40/x
  3. Step 3: Cross multiply
    36,624.40x = 54,933.40 × 12,000.40
  4. Step 4: Simplify right side
    36,624.40x = 659,222,773.36
  5. Step 5: Solve for x
    x = 659,222,773.36/36,624.40
  6. Step 6: Final answer
    x = 17,999.55

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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.