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Finding the Fourth Proportional to 63,423.64, 87,523.74 and 36,566.20

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Solution

The fourth proportional to 63,423.64, 87,523.74 and 36,566.20 is: 50,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423.64 : 87,523.74 = 36,566.20 : x
  2. Step 2: Convert to fraction form
    63,423.64/87,523.74 = 36,566.20/x
  3. Step 3: Cross multiply
    63,423.64x = 87,523.74 × 36,566.20
  4. Step 4: Simplify right side
    63,423.64x = 3,200,410,581.59
  5. Step 5: Solve for x
    x = 3,200,410,581.59/63,423.64
  6. Step 6: Final answer
    x = 50,460.85

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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.