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Finding the Fourth Proportional to 36,285.46, 54,369.90 and 30,453.46

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Solution

The fourth proportional to 36,285.46, 54,369.90 and 30,453.46 is: 45,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.46 : 54,369.90 = 30,453.46 : x
  2. Step 2: Convert to fraction form
    36,285.46/54,369.90 = 30,453.46/x
  3. Step 3: Cross multiply
    36,285.46x = 54,369.90 × 30,453.46
  4. Step 4: Simplify right side
    36,285.46x = 1,655,751,574.85
  5. Step 5: Solve for x
    x = 1,655,751,574.85/36,285.46
  6. Step 6: Final answer
    x = 45,631.27

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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.