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Finding the Fourth Proportional to 13,652.60, 18,833.10 and 8,062.52

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Solution

The fourth proportional to 13,652.60, 18,833.10 and 8,062.52 is: 11,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.60 : 18,833.10 = 8,062.52 : x
  2. Step 2: Convert to fraction form
    13,652.60/18,833.10 = 8,062.52/x
  3. Step 3: Cross multiply
    13,652.60x = 18,833.10 × 8,062.52
  4. Step 4: Simplify right side
    13,652.60x = 151,842,245.41
  5. Step 5: Solve for x
    x = 151,842,245.41/13,652.60
  6. Step 6: Final answer
    x = 11,121.86

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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.