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Finding the Fourth Proportional to 4,477.90, 6,179.22 and 2,488.34

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Solution

The fourth proportional to 4,477.90, 6,179.22 and 2,488.34 is: 3,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.90 : 6,179.22 = 2,488.34 : x
  2. Step 2: Convert to fraction form
    4,477.90/6,179.22 = 2,488.34/x
  3. Step 3: Cross multiply
    4,477.90x = 6,179.22 × 2,488.34
  4. Step 4: Simplify right side
    4,477.90x = 15,375,978.63
  5. Step 5: Solve for x
    x = 15,375,978.63/4,477.90
  6. Step 6: Final answer
    x = 3,433.75

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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.