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Finding the Fourth Proportional to 3,604.55, 5,406.21 and 1,006.88

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Solution

The fourth proportional to 3,604.55, 5,406.21 and 1,006.88 is: 1,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.55 : 5,406.21 = 1,006.88 : x
  2. Step 2: Convert to fraction form
    3,604.55/5,406.21 = 1,006.88/x
  3. Step 3: Cross multiply
    3,604.55x = 5,406.21 × 1,006.88
  4. Step 4: Simplify right side
    3,604.55x = 5,443,377.69
  5. Step 5: Solve for x
    x = 5,443,377.69/3,604.55
  6. Step 6: Final answer
    x = 1,510.14

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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.