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Finding the Fourth Proportional to 16,668.13, 25,002.22 and 6,677.39

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Solution

The fourth proportional to 16,668.13, 25,002.22 and 6,677.39 is: 10,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.13 : 25,002.22 = 6,677.39 : x
  2. Step 2: Convert to fraction form
    16,668.13/25,002.22 = 6,677.39/x
  3. Step 3: Cross multiply
    16,668.13x = 25,002.22 × 6,677.39
  4. Step 4: Simplify right side
    16,668.13x = 166,949,573.81
  5. Step 5: Solve for x
    x = 166,949,573.81/16,668.13
  6. Step 6: Final answer
    x = 10,016.10

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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.