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Finding the Fourth Proportional to 3,666.22, 5,499.33 and 892.87

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Solution

The fourth proportional to 3,666.22, 5,499.33 and 892.87 is: 1,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.22 : 5,499.33 = 892.87 : x
  2. Step 2: Convert to fraction form
    3,666.22/5,499.33 = 892.87/x
  3. Step 3: Cross multiply
    3,666.22x = 5,499.33 × 892.87
  4. Step 4: Simplify right side
    3,666.22x = 4,910,186.78
  5. Step 5: Solve for x
    x = 4,910,186.78/3,666.22
  6. Step 6: Final answer
    x = 1,339.31

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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.