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Finding the Fourth Proportional to 10,834.92, 16,250.22 and 4,990.68

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Solution

The fourth proportional to 10,834.92, 16,250.22 and 4,990.68 is: 7,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.92 : 16,250.22 = 4,990.68 : x
  2. Step 2: Convert to fraction form
    10,834.92/16,250.22 = 4,990.68/x
  3. Step 3: Cross multiply
    10,834.92x = 16,250.22 × 4,990.68
  4. Step 4: Simplify right side
    10,834.92x = 81,099,647.95
  5. Step 5: Solve for x
    x = 81,099,647.95/10,834.92
  6. Step 6: Final answer
    x = 7,485.03

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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.