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Finding the Fourth Proportional to 3,959.12, 5,934.52 and 2,573.36

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Solution

The fourth proportional to 3,959.12, 5,934.52 and 2,573.36 is: 3,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.12 : 5,934.52 = 2,573.36 : x
  2. Step 2: Convert to fraction form
    3,959.12/5,934.52 = 2,573.36/x
  3. Step 3: Cross multiply
    3,959.12x = 5,934.52 × 2,573.36
  4. Step 4: Simplify right side
    3,959.12x = 15,271,656.39
  5. Step 5: Solve for x
    x = 15,271,656.39/3,959.12
  6. Step 6: Final answer
    x = 3,857.34

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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.