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Finding the Fourth Proportional to 10,668.08, 16,002 and 4,820.60

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Solution

The fourth proportional to 10,668.08, 16,002 and 4,820.60 is: 7,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.08 : 16,002 = 4,820.60 : x
  2. Step 2: Convert to fraction form
    10,668.08/16,002 = 4,820.60/x
  3. Step 3: Cross multiply
    10,668.08x = 16,002 × 4,820.60
  4. Step 4: Simplify right side
    10,668.08x = 77,139,241.20
  5. Step 5: Solve for x
    x = 77,139,241.20/10,668.08
  6. Step 6: Final answer
    x = 7,230.85

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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.