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Finding the Fourth Proportional to 3,604.98, 5,407.68 and 1,007.91

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Solution

The fourth proportional to 3,604.98, 5,407.68 and 1,007.91 is: 1,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.98 : 5,407.68 = 1,007.91 : x
  2. Step 2: Convert to fraction form
    3,604.98/5,407.68 = 1,007.91/x
  3. Step 3: Cross multiply
    3,604.98x = 5,407.68 × 1,007.91
  4. Step 4: Simplify right side
    3,604.98x = 5,450,454.75
  5. Step 5: Solve for x
    x = 5,450,454.75/3,604.98
  6. Step 6: Final answer
    x = 1,511.92

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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.