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Finding the Fourth Proportional to 2,595.52, 3,891.88 and 1,359.88

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Solution

The fourth proportional to 2,595.52, 3,891.88 and 1,359.88 is: 2,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595.52 : 3,891.88 = 1,359.88 : x
  2. Step 2: Convert to fraction form
    2,595.52/3,891.88 = 1,359.88/x
  3. Step 3: Cross multiply
    2,595.52x = 3,891.88 × 1,359.88
  4. Step 4: Simplify right side
    2,595.52x = 5,292,489.77
  5. Step 5: Solve for x
    x = 5,292,489.77/2,595.52
  6. Step 6: Final answer
    x = 2,039.09

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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.