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Finding the Fourth Proportional to 16,604.80, 24,907.20 and 8,310.40

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Solution

The fourth proportional to 16,604.80, 24,907.20 and 8,310.40 is: 12,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,604.80 : 24,907.20 = 8,310.40 : x
  2. Step 2: Convert to fraction form
    16,604.80/24,907.20 = 8,310.40/x
  3. Step 3: Cross multiply
    16,604.80x = 24,907.20 × 8,310.40
  4. Step 4: Simplify right side
    16,604.80x = 206,988,794.88
  5. Step 5: Solve for x
    x = 206,988,794.88/16,604.80
  6. Step 6: Final answer
    x = 12,465.60

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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.