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Finding the Fourth Proportional to 2,495.34, 3,743.82 and 2,127.92

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Solution

The fourth proportional to 2,495.34, 3,743.82 and 2,127.92 is: 3,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.34 : 3,743.82 = 2,127.92 : x
  2. Step 2: Convert to fraction form
    2,495.34/3,743.82 = 2,127.92/x
  3. Step 3: Cross multiply
    2,495.34x = 3,743.82 × 2,127.92
  4. Step 4: Simplify right side
    2,495.34x = 7,966,530.74
  5. Step 5: Solve for x
    x = 7,966,530.74/2,495.34
  6. Step 6: Final answer
    x = 3,192.56

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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.