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Finding the Fourth Proportional to 19,596.35, 27,049.11 and 12,522.80

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Solution

The fourth proportional to 19,596.35, 27,049.11 and 12,522.80 is: 17,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.35 : 27,049.11 = 12,522.80 : x
  2. Step 2: Convert to fraction form
    19,596.35/27,049.11 = 12,522.80/x
  3. Step 3: Cross multiply
    19,596.35x = 27,049.11 × 12,522.80
  4. Step 4: Simplify right side
    19,596.35x = 338,730,594.71
  5. Step 5: Solve for x
    x = 338,730,594.71/19,596.35
  6. Step 6: Final answer
    x = 17,285.39

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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.