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Finding the Fourth Proportional to 16,668, 23,002.20 and 9,593.28

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Solution

The fourth proportional to 16,668, 23,002.20 and 9,593.28 is: 13,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668 : 23,002.20 = 9,593.28 : x
  2. Step 2: Convert to fraction form
    16,668/23,002.20 = 9,593.28/x
  3. Step 3: Cross multiply
    16,668x = 23,002.20 × 9,593.28
  4. Step 4: Simplify right side
    16,668x = 220,666,545.22
  5. Step 5: Solve for x
    x = 220,666,545.22/16,668
  6. Step 6: Final answer
    x = 13,238.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.