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Finding the Fourth Proportional to 16,665.73, 25,000.09 and 4,819.32

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Solution

The fourth proportional to 16,665.73, 25,000.09 and 4,819.32 is: 7,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.73 : 25,000.09 = 4,819.32 : x
  2. Step 2: Convert to fraction form
    16,665.73/25,000.09 = 4,819.32/x
  3. Step 3: Cross multiply
    16,665.73x = 25,000.09 × 4,819.32
  4. Step 4: Simplify right side
    16,665.73x = 120,483,421.69
  5. Step 5: Solve for x
    x = 120,483,421.69/16,665.73
  6. Step 6: Final answer
    x = 7,229.41

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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.