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Finding the Fourth Proportional to 3,666.60, 5,500.33 and 1,069.54

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Solution

The fourth proportional to 3,666.60, 5,500.33 and 1,069.54 is: 1,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.60 : 5,500.33 = 1,069.54 : x
  2. Step 2: Convert to fraction form
    3,666.60/5,500.33 = 1,069.54/x
  3. Step 3: Cross multiply
    3,666.60x = 5,500.33 × 1,069.54
  4. Step 4: Simplify right side
    3,666.60x = 5,882,822.95
  5. Step 5: Solve for x
    x = 5,882,822.95/3,666.60
  6. Step 6: Final answer
    x = 1,604.44

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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.