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Finding the Fourth Proportional to 63,219.52, 87,242.87 and 36,361.34

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Solution

The fourth proportional to 63,219.52, 87,242.87 and 36,361.34 is: 50,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,219.52 : 87,242.87 = 36,361.34 : x
  2. Step 2: Convert to fraction form
    63,219.52/87,242.87 = 36,361.34/x
  3. Step 3: Cross multiply
    63,219.52x = 87,242.87 × 36,361.34
  4. Step 4: Simplify right side
    63,219.52x = 3,172,267,640.50
  5. Step 5: Solve for x
    x = 3,172,267,640.50/63,219.52
  6. Step 6: Final answer
    x = 50,178.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.