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Finding the Fourth Proportional to 63,722.56, 87,912.58 and 41,059.74

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Solution

The fourth proportional to 63,722.56, 87,912.58 and 41,059.74 is: 56,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.56 : 87,912.58 = 41,059.74 : x
  2. Step 2: Convert to fraction form
    63,722.56/87,912.58 = 41,059.74/x
  3. Step 3: Cross multiply
    63,722.56x = 87,912.58 × 41,059.74
  4. Step 4: Simplify right side
    63,722.56x = 3,609,667,677.53
  5. Step 5: Solve for x
    x = 3,609,667,677.53/63,722.56
  6. Step 6: Final answer
    x = 56,646.62

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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.