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Finding the Fourth Proportional to 2,495.58, 3,743.16 and 1,326.21

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Solution

The fourth proportional to 2,495.58, 3,743.16 and 1,326.21 is: 1,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.58 : 3,743.16 = 1,326.21 : x
  2. Step 2: Convert to fraction form
    2,495.58/3,743.16 = 1,326.21/x
  3. Step 3: Cross multiply
    2,495.58x = 3,743.16 × 1,326.21
  4. Step 4: Simplify right side
    2,495.58x = 4,964,216.22
  5. Step 5: Solve for x
    x = 4,964,216.22/2,495.58
  6. Step 6: Final answer
    x = 1,989.20

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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.