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Finding the Fourth Proportional to 11,156.67, 16,734.98 and 2,836.67

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Solution

The fourth proportional to 11,156.67, 16,734.98 and 2,836.67 is: 4,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.67 : 16,734.98 = 2,836.67 : x
  2. Step 2: Convert to fraction form
    11,156.67/16,734.98 = 2,836.67/x
  3. Step 3: Cross multiply
    11,156.67x = 16,734.98 × 2,836.67
  4. Step 4: Simplify right side
    11,156.67x = 47,471,539.13
  5. Step 5: Solve for x
    x = 47,471,539.13/11,156.67
  6. Step 6: Final answer
    x = 4,254.99

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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.