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Finding the Fourth Proportional to 16,660.01, 24,977.70 and 7,884.65

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Solution

The fourth proportional to 16,660.01, 24,977.70 and 7,884.65 is: 11,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.01 : 24,977.70 = 7,884.65 : x
  2. Step 2: Convert to fraction form
    16,660.01/24,977.70 = 7,884.65/x
  3. Step 3: Cross multiply
    16,660.01x = 24,977.70 × 7,884.65
  4. Step 4: Simplify right side
    16,660.01x = 196,940,297.42
  5. Step 5: Solve for x
    x = 196,940,297.42/16,660.01
  6. Step 6: Final answer
    x = 11,821.14

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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.