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Finding the Fourth Proportional to 16,491.92, 22,788.99 and 12,007.86

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Solution

The fourth proportional to 16,491.92, 22,788.99 and 12,007.86 is: 16,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.92 : 22,788.99 = 12,007.86 : x
  2. Step 2: Convert to fraction form
    16,491.92/22,788.99 = 12,007.86/x
  3. Step 3: Cross multiply
    16,491.92x = 22,788.99 × 12,007.86
  4. Step 4: Simplify right side
    16,491.92x = 273,646,941.42
  5. Step 5: Solve for x
    x = 273,646,941.42/16,491.92
  6. Step 6: Final answer
    x = 16,592.79

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1.5x scale

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.