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Finding the Fourth Proportional to 11,000.20, 16,503.96 and 7,316.94

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Solution

The fourth proportional to 11,000.20, 16,503.96 and 7,316.94 is: 10,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.20 : 16,503.96 = 7,316.94 : x
  2. Step 2: Convert to fraction form
    11,000.20/16,503.96 = 7,316.94/x
  3. Step 3: Cross multiply
    11,000.20x = 16,503.96 × 7,316.94
  4. Step 4: Simplify right side
    11,000.20x = 120,758,485.08
  5. Step 5: Solve for x
    x = 120,758,485.08/11,000.20
  6. Step 6: Final answer
    x = 10,977.84

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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.