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Finding the Fourth Proportional to 63,467.64, 87,584.76 and 35,172.72

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Solution

The fourth proportional to 63,467.64, 87,584.76 and 35,172.72 is: 48,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,467.64 : 87,584.76 = 35,172.72 : x
  2. Step 2: Convert to fraction form
    63,467.64/87,584.76 = 35,172.72/x
  3. Step 3: Cross multiply
    63,467.64x = 87,584.76 × 35,172.72
  4. Step 4: Simplify right side
    63,467.64x = 3,080,594,239.75
  5. Step 5: Solve for x
    x = 3,080,594,239.75/63,467.64
  6. Step 6: Final answer
    x = 48,538.03

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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.