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Finding the Fourth Proportional to 16,668.30, 25,004.52 and 5,582.96

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Solution

The fourth proportional to 16,668.30, 25,004.52 and 5,582.96 is: 8,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.30 : 25,004.52 = 5,582.96 : x
  2. Step 2: Convert to fraction form
    16,668.30/25,004.52 = 5,582.96/x
  3. Step 3: Cross multiply
    16,668.30x = 25,004.52 × 5,582.96
  4. Step 4: Simplify right side
    16,668.30x = 139,599,234.98
  5. Step 5: Solve for x
    x = 139,599,234.98/16,668.30
  6. Step 6: Final answer
    x = 8,375.13

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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.