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Finding the Fourth Proportional to 63,449.92, 87,576.96 and 37,971.64

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Solution

The fourth proportional to 63,449.92, 87,576.96 and 37,971.64 is: 52,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,449.92 : 87,576.96 = 37,971.64 : x
  2. Step 2: Convert to fraction form
    63,449.92/87,576.96 = 37,971.64/x
  3. Step 3: Cross multiply
    63,449.92x = 87,576.96 × 37,971.64
  4. Step 4: Simplify right side
    63,449.92x = 3,325,440,797.41
  5. Step 5: Solve for x
    x = 3,325,440,797.41/63,449.92
  6. Step 6: Final answer
    x = 52,410.48

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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.