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Finding the Fourth Proportional to 16,216.80, 24,286.80 and 10,994.40

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Solution

The fourth proportional to 16,216.80, 24,286.80 and 10,994.40 is: 16,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.80 : 24,286.80 = 10,994.40 : x
  2. Step 2: Convert to fraction form
    16,216.80/24,286.80 = 10,994.40/x
  3. Step 3: Cross multiply
    16,216.80x = 24,286.80 × 10,994.40
  4. Step 4: Simplify right side
    16,216.80x = 267,018,793.92
  5. Step 5: Solve for x
    x = 267,018,793.92/16,216.80
  6. Step 6: Final answer
    x = 16,465.57

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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.