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Finding the Fourth Proportional to 16,764.60, 25,145.10 and 4,452.60

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Solution

The fourth proportional to 16,764.60, 25,145.10 and 4,452.60 is: 6,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.60 : 25,145.10 = 4,452.60 : x
  2. Step 2: Convert to fraction form
    16,764.60/25,145.10 = 4,452.60/x
  3. Step 3: Cross multiply
    16,764.60x = 25,145.10 × 4,452.60
  4. Step 4: Simplify right side
    16,764.60x = 111,961,072.26
  5. Step 5: Solve for x
    x = 111,961,072.26/16,764.60
  6. Step 6: Final answer
    x = 6,678.42

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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.