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Finding the Fourth Proportional to 4,007.61, 5,530.41 and 2,239.38

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Solution

The fourth proportional to 4,007.61, 5,530.41 and 2,239.38 is: 3,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.61 : 5,530.41 = 2,239.38 : x
  2. Step 2: Convert to fraction form
    4,007.61/5,530.41 = 2,239.38/x
  3. Step 3: Cross multiply
    4,007.61x = 5,530.41 × 2,239.38
  4. Step 4: Simplify right side
    4,007.61x = 12,384,689.55
  5. Step 5: Solve for x
    x = 12,384,689.55/4,007.61
  6. Step 6: Final answer
    x = 3,090.29

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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.