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Finding the Fourth Proportional to 8,900.86, 13,351.32 and 3,352.71

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Solution

The fourth proportional to 8,900.86, 13,351.32 and 3,352.71 is: 5,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.86 : 13,351.32 = 3,352.71 : x
  2. Step 2: Convert to fraction form
    8,900.86/13,351.32 = 3,352.71/x
  3. Step 3: Cross multiply
    8,900.86x = 13,351.32 × 3,352.71
  4. Step 4: Simplify right side
    8,900.86x = 44,763,104.08
  5. Step 5: Solve for x
    x = 44,763,104.08/8,900.86
  6. Step 6: Final answer
    x = 5,029.08

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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.