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Finding the Fourth Proportional to 16,607.67, 24,915.60 and 8,291.67

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Solution

The fourth proportional to 16,607.67, 24,915.60 and 8,291.67 is: 12,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607.67 : 24,915.60 = 8,291.67 : x
  2. Step 2: Convert to fraction form
    16,607.67/24,915.60 = 8,291.67/x
  3. Step 3: Cross multiply
    16,607.67x = 24,915.60 × 8,291.67
  4. Step 4: Simplify right side
    16,607.67x = 206,591,933.05
  5. Step 5: Solve for x
    x = 206,591,933.05/16,607.67
  6. Step 6: Final answer
    x = 12,439.55

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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.