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Finding the Fourth Proportional to 14,819.52, 20,452.68 and 8,447.04

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Solution

The fourth proportional to 14,819.52, 20,452.68 and 8,447.04 is: 11,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.52 : 20,452.68 = 8,447.04 : x
  2. Step 2: Convert to fraction form
    14,819.52/20,452.68 = 8,447.04/x
  3. Step 3: Cross multiply
    14,819.52x = 20,452.68 × 8,447.04
  4. Step 4: Simplify right side
    14,819.52x = 172,764,606.07
  5. Step 5: Solve for x
    x = 172,764,606.07/14,819.52
  6. Step 6: Final answer
    x = 11,657.91

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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.