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Finding the Fourth Proportional to 3,672.61, 5,504.59 and 2,354.65

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Solution

The fourth proportional to 3,672.61, 5,504.59 and 2,354.65 is: 3,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.61 : 5,504.59 = 2,354.65 : x
  2. Step 2: Convert to fraction form
    3,672.61/5,504.59 = 2,354.65/x
  3. Step 3: Cross multiply
    3,672.61x = 5,504.59 × 2,354.65
  4. Step 4: Simplify right side
    3,672.61x = 12,961,382.84
  5. Step 5: Solve for x
    x = 12,961,382.84/3,672.61
  6. Step 6: Final answer
    x = 3,529.20

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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.