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Finding the Fourth Proportional to 14,459, 21,697.41 and 6,668.42

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Solution

The fourth proportional to 14,459, 21,697.41 and 6,668.42 is: 10,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459 : 21,697.41 = 6,668.42 : x
  2. Step 2: Convert to fraction form
    14,459/21,697.41 = 6,668.42/x
  3. Step 3: Cross multiply
    14,459x = 21,697.41 × 6,668.42
  4. Step 4: Simplify right side
    14,459x = 144,687,442.79
  5. Step 5: Solve for x
    x = 144,687,442.79/14,459
  6. Step 6: Final answer
    x = 10,006.74

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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.