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Finding the Fourth Proportional to 18,824.08, 28,180.65 and 16,488.65

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Solution

The fourth proportional to 18,824.08, 28,180.65 and 16,488.65 is: 24,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.08 : 28,180.65 = 16,488.65 : x
  2. Step 2: Convert to fraction form
    18,824.08/28,180.65 = 16,488.65/x
  3. Step 3: Cross multiply
    18,824.08x = 28,180.65 × 16,488.65
  4. Step 4: Simplify right side
    18,824.08x = 464,660,851.34
  5. Step 5: Solve for x
    x = 464,660,851.34/18,824.08
  6. Step 6: Final answer
    x = 24,684.38

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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.