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Finding the Fourth Proportional to 18,824.65, 28,193.88 and 9,467.33

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Solution

The fourth proportional to 18,824.65, 28,193.88 and 9,467.33 is: 14,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.65 : 28,193.88 = 9,467.33 : x
  2. Step 2: Convert to fraction form
    18,824.65/28,193.88 = 9,467.33/x
  3. Step 3: Cross multiply
    18,824.65x = 28,193.88 × 9,467.33
  4. Step 4: Simplify right side
    18,824.65x = 266,920,660.47
  5. Step 5: Solve for x
    x = 266,920,660.47/18,824.65
  6. Step 6: Final answer
    x = 14,179.32

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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.