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Finding the Fourth Proportional to 19,226.17, 28,843.17 and 10,909.90

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Solution

The fourth proportional to 19,226.17, 28,843.17 and 10,909.90 is: 16,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.17 : 28,843.17 = 10,909.90 : x
  2. Step 2: Convert to fraction form
    19,226.17/28,843.17 = 10,909.90/x
  3. Step 3: Cross multiply
    19,226.17x = 28,843.17 × 10,909.90
  4. Step 4: Simplify right side
    19,226.17x = 314,676,100.38
  5. Step 5: Solve for x
    x = 314,676,100.38/19,226.17
  6. Step 6: Final answer
    x = 16,367.07

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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.