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Finding the Fourth Proportional to 8,652.21, 11,940.05 and 4,673.33

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Solution

The fourth proportional to 8,652.21, 11,940.05 and 4,673.33 is: 6,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.21 : 11,940.05 = 4,673.33 : x
  2. Step 2: Convert to fraction form
    8,652.21/11,940.05 = 4,673.33/x
  3. Step 3: Cross multiply
    8,652.21x = 11,940.05 × 4,673.33
  4. Step 4: Simplify right side
    8,652.21x = 55,799,710.80
  5. Step 5: Solve for x
    x = 55,799,710.80/8,652.21
  6. Step 6: Final answer
    x = 6,449.19

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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.