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Finding the Fourth Proportional to 14,527.92, 20,052.64 and 8,563.04

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Solution

The fourth proportional to 14,527.92, 20,052.64 and 8,563.04 is: 11,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.92 : 20,052.64 = 8,563.04 : x
  2. Step 2: Convert to fraction form
    14,527.92/20,052.64 = 8,563.04/x
  3. Step 3: Cross multiply
    14,527.92x = 20,052.64 × 8,563.04
  4. Step 4: Simplify right side
    14,527.92x = 171,711,558.43
  5. Step 5: Solve for x
    x = 171,711,558.43/14,527.92
  6. Step 6: Final answer
    x = 11,819.42

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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.