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Finding the Fourth Proportional to 16,379.21, 24,574.58 and 8,065.07

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Solution

The fourth proportional to 16,379.21, 24,574.58 and 8,065.07 is: 12,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.21 : 24,574.58 = 8,065.07 : x
  2. Step 2: Convert to fraction form
    16,379.21/24,574.58 = 8,065.07/x
  3. Step 3: Cross multiply
    16,379.21x = 24,574.58 × 8,065.07
  4. Step 4: Simplify right side
    16,379.21x = 198,195,559.84
  5. Step 5: Solve for x
    x = 198,195,559.84/16,379.21
  6. Step 6: Final answer
    x = 12,100.44

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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.