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Finding the Fourth Proportional to 16,673.12, 25,000.45 and 6,819.31

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Solution

The fourth proportional to 16,673.12, 25,000.45 and 6,819.31 is: 10,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.12 : 25,000.45 = 6,819.31 : x
  2. Step 2: Convert to fraction form
    16,673.12/25,000.45 = 6,819.31/x
  3. Step 3: Cross multiply
    16,673.12x = 25,000.45 × 6,819.31
  4. Step 4: Simplify right side
    16,673.12x = 170,485,818.69
  5. Step 5: Solve for x
    x = 170,485,818.69/16,673.12
  6. Step 6: Final answer
    x = 10,225.19

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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.