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Finding the Fourth Proportional to 14,709.92, 22,073.12 and 11,429.60

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Solution

The fourth proportional to 14,709.92, 22,073.12 and 11,429.60 is: 17,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.92 : 22,073.12 = 11,429.60 : x
  2. Step 2: Convert to fraction form
    14,709.92/22,073.12 = 11,429.60/x
  3. Step 3: Cross multiply
    14,709.92x = 22,073.12 × 11,429.60
  4. Step 4: Simplify right side
    14,709.92x = 252,286,932.35
  5. Step 5: Solve for x
    x = 252,286,932.35/14,709.92
  6. Step 6: Final answer
    x = 17,150.80

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1.5x scale

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.