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Finding the Fourth Proportional to 22,680.99, 33,948.68 and 12,124.62

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Solution

The fourth proportional to 22,680.99, 33,948.68 and 12,124.62 is: 18,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.99 : 33,948.68 = 12,124.62 : x
  2. Step 2: Convert to fraction form
    22,680.99/33,948.68 = 12,124.62/x
  3. Step 3: Cross multiply
    22,680.99x = 33,948.68 × 12,124.62
  4. Step 4: Simplify right side
    22,680.99x = 411,614,783.88
  5. Step 5: Solve for x
    x = 411,614,783.88/22,680.99
  6. Step 6: Final answer
    x = 18,148.01

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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.