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Finding the Fourth Proportional to 8,666.33, 13,000.10 and 3,736.26

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Solution

The fourth proportional to 8,666.33, 13,000.10 and 3,736.26 is: 5,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.33 : 13,000.10 = 3,736.26 : x
  2. Step 2: Convert to fraction form
    8,666.33/13,000.10 = 3,736.26/x
  3. Step 3: Cross multiply
    8,666.33x = 13,000.10 × 3,736.26
  4. Step 4: Simplify right side
    8,666.33x = 48,571,734.94
  5. Step 5: Solve for x
    x = 48,571,734.94/8,666.33
  6. Step 6: Final answer
    x = 5,604.65

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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.