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Finding the Fourth Proportional to 8,971.01, 13,453.41 and 3,425.92

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Solution

The fourth proportional to 8,971.01, 13,453.41 and 3,425.92 is: 5,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.01 : 13,453.41 = 3,425.92 : x
  2. Step 2: Convert to fraction form
    8,971.01/13,453.41 = 3,425.92/x
  3. Step 3: Cross multiply
    8,971.01x = 13,453.41 × 3,425.92
  4. Step 4: Simplify right side
    8,971.01x = 46,090,306.39
  5. Step 5: Solve for x
    x = 46,090,306.39/8,971.01
  6. Step 6: Final answer
    x = 5,137.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.