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Finding the Fourth Proportional to 63,425.22, 87,504.36 and 37,913.88

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Solution

The fourth proportional to 63,425.22, 87,504.36 and 37,913.88 is: 52,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,425.22 : 87,504.36 = 37,913.88 : x
  2. Step 2: Convert to fraction form
    63,425.22/87,504.36 = 37,913.88/x
  3. Step 3: Cross multiply
    63,425.22x = 87,504.36 × 37,913.88
  4. Step 4: Simplify right side
    63,425.22x = 3,317,629,804.52
  5. Step 5: Solve for x
    x = 3,317,629,804.52/63,425.22
  6. Step 6: Final answer
    x = 52,307.74

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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.