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Finding the Fourth Proportional to 16,563.60, 24,826.20 and 6,696.40

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Solution

The fourth proportional to 16,563.60, 24,826.20 and 6,696.40 is: 10,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,563.60 : 24,826.20 = 6,696.40 : x
  2. Step 2: Convert to fraction form
    16,563.60/24,826.20 = 6,696.40/x
  3. Step 3: Cross multiply
    16,563.60x = 24,826.20 × 6,696.40
  4. Step 4: Simplify right side
    16,563.60x = 166,246,165.68
  5. Step 5: Solve for x
    x = 166,246,165.68/16,563.60
  6. Step 6: Final answer
    x = 10,036.84

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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.