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Finding the Fourth Proportional to 11,000.94, 16,501.42 and 2,680.94

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Solution

The fourth proportional to 11,000.94, 16,501.42 and 2,680.94 is: 4,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.94 : 16,501.42 = 2,680.94 : x
  2. Step 2: Convert to fraction form
    11,000.94/16,501.42 = 2,680.94/x
  3. Step 3: Cross multiply
    11,000.94x = 16,501.42 × 2,680.94
  4. Step 4: Simplify right side
    11,000.94x = 44,239,316.93
  5. Step 5: Solve for x
    x = 44,239,316.93/11,000.94
  6. Step 6: Final answer
    x = 4,021.41

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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.