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Finding the Fourth Proportional to 3,484.82, 4,815.65 and 2,644.04

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Solution

The fourth proportional to 3,484.82, 4,815.65 and 2,644.04 is: 3,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.82 : 4,815.65 = 2,644.04 : x
  2. Step 2: Convert to fraction form
    3,484.82/4,815.65 = 2,644.04/x
  3. Step 3: Cross multiply
    3,484.82x = 4,815.65 × 2,644.04
  4. Step 4: Simplify right side
    3,484.82x = 12,732,789.88
  5. Step 5: Solve for x
    x = 12,732,789.88/3,484.82
  6. Step 6: Final answer
    x = 3,653.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.