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Finding the Fourth Proportional to 19,194.66, 28,787.67 and 6,882.66

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Solution

The fourth proportional to 19,194.66, 28,787.67 and 6,882.66 is: 10,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.66 : 28,787.67 = 6,882.66 : x
  2. Step 2: Convert to fraction form
    19,194.66/28,787.67 = 6,882.66/x
  3. Step 3: Cross multiply
    19,194.66x = 28,787.67 × 6,882.66
  4. Step 4: Simplify right side
    19,194.66x = 198,135,744.80
  5. Step 5: Solve for x
    x = 198,135,744.80/19,194.66
  6. Step 6: Final answer
    x = 10,322.44

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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.