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Finding the Fourth Proportional to 16,652.60, 25,003.20 and 6,811.10

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Solution

The fourth proportional to 16,652.60, 25,003.20 and 6,811.10 is: 10,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.60 : 25,003.20 = 6,811.10 : x
  2. Step 2: Convert to fraction form
    16,652.60/25,003.20 = 6,811.10/x
  3. Step 3: Cross multiply
    16,652.60x = 25,003.20 × 6,811.10
  4. Step 4: Simplify right side
    16,652.60x = 170,299,295.52
  5. Step 5: Solve for x
    x = 170,299,295.52/16,652.60
  6. Step 6: Final answer
    x = 10,226.59

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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.