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Finding the Fourth Proportional to 63,533.40, 87,674.40 and 36,675

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Solution

The fourth proportional to 63,533.40, 87,674.40 and 36,675 is: 50,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,533.40 : 87,674.40 = 36,675 : x
  2. Step 2: Convert to fraction form
    63,533.40/87,674.40 = 36,675/x
  3. Step 3: Cross multiply
    63,533.40x = 87,674.40 × 36,675
  4. Step 4: Simplify right side
    63,533.40x = 3,215,458,620
  5. Step 5: Solve for x
    x = 3,215,458,620/63,533.40
  6. Step 6: Final answer
    x = 50,610.52

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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.