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Finding the Fourth Proportional to 3,604.56, 5,404.32 and 1,655.70

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Solution

The fourth proportional to 3,604.56, 5,404.32 and 1,655.70 is: 2,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.56 : 5,404.32 = 1,655.70 : x
  2. Step 2: Convert to fraction form
    3,604.56/5,404.32 = 1,655.70/x
  3. Step 3: Cross multiply
    3,604.56x = 5,404.32 × 1,655.70
  4. Step 4: Simplify right side
    3,604.56x = 8,947,932.62
  5. Step 5: Solve for x
    x = 8,947,932.62/3,604.56
  6. Step 6: Final answer
    x = 2,482.39

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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.