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Finding the Fourth Proportional to 60,361.70, 90,469.65 and 30,764.30

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Solution

The fourth proportional to 60,361.70, 90,469.65 and 30,764.30 is: 46,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.70 : 90,469.65 = 30,764.30 : x
  2. Step 2: Convert to fraction form
    60,361.70/90,469.65 = 30,764.30/x
  3. Step 3: Cross multiply
    60,361.70x = 90,469.65 × 30,764.30
  4. Step 4: Simplify right side
    60,361.70x = 2,783,235,453.50
  5. Step 5: Solve for x
    x = 2,783,235,453.50/60,361.70
  6. Step 6: Final answer
    x = 46,109.30

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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.