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Finding the Fourth Proportional to 19,672.20, 29,503.98 and 6,525.54

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Solution

The fourth proportional to 19,672.20, 29,503.98 and 6,525.54 is: 9,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.20 : 29,503.98 = 6,525.54 : x
  2. Step 2: Convert to fraction form
    19,672.20/29,503.98 = 6,525.54/x
  3. Step 3: Cross multiply
    19,672.20x = 29,503.98 × 6,525.54
  4. Step 4: Simplify right side
    19,672.20x = 192,529,401.65
  5. Step 5: Solve for x
    x = 192,529,401.65/19,672.20
  6. Step 6: Final answer
    x = 9,786.88

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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.