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Finding the Fourth Proportional to 3,604.77, 5,406.62 and 2,992.41

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Solution

The fourth proportional to 3,604.77, 5,406.62 and 2,992.41 is: 4,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.77 : 5,406.62 = 2,992.41 : x
  2. Step 2: Convert to fraction form
    3,604.77/5,406.62 = 2,992.41/x
  3. Step 3: Cross multiply
    3,604.77x = 5,406.62 × 2,992.41
  4. Step 4: Simplify right side
    3,604.77x = 16,178,808.79
  5. Step 5: Solve for x
    x = 16,178,808.79/3,604.77
  6. Step 6: Final answer
    x = 4,488.17

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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.