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Finding the Fourth Proportional to 16,672.01, 25,011.41 and 6,812.09

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Solution

The fourth proportional to 16,672.01, 25,011.41 and 6,812.09 is: 10,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.01 : 25,011.41 = 6,812.09 : x
  2. Step 2: Convert to fraction form
    16,672.01/25,011.41 = 6,812.09/x
  3. Step 3: Cross multiply
    16,672.01x = 25,011.41 × 6,812.09
  4. Step 4: Simplify right side
    16,672.01x = 170,379,816.83
  5. Step 5: Solve for x
    x = 170,379,816.83/16,672.01
  6. Step 6: Final answer
    x = 10,219.52

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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.