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Finding the Fourth Proportional to 63,566.20, 87,725.52 and 36,709.84

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Solution

The fourth proportional to 63,566.20, 87,725.52 and 36,709.84 is: 50,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,566.20 : 87,725.52 = 36,709.84 : x
  2. Step 2: Convert to fraction form
    63,566.20/87,725.52 = 36,709.84/x
  3. Step 3: Cross multiply
    63,566.20x = 87,725.52 × 36,709.84
  4. Step 4: Simplify right side
    63,566.20x = 3,220,389,803.12
  5. Step 5: Solve for x
    x = 3,220,389,803.12/63,566.20
  6. Step 6: Final answer
    x = 50,661.98

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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.