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Finding the Fourth Proportional to 4,406, 6,080.28 and 2,543

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Solution

The fourth proportional to 4,406, 6,080.28 and 2,543 is: 3,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406 : 6,080.28 = 2,543 : x
  2. Step 2: Convert to fraction form
    4,406/6,080.28 = 2,543/x
  3. Step 3: Cross multiply
    4,406x = 6,080.28 × 2,543
  4. Step 4: Simplify right side
    4,406x = 15,462,152.04
  5. Step 5: Solve for x
    x = 15,462,152.04/4,406
  6. Step 6: Final answer
    x = 3,509.34

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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.