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Finding the Fourth Proportional to 2,326.92, 3,491.64 and 1,545

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Solution

The fourth proportional to 2,326.92, 3,491.64 and 1,545 is: 2,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.92 : 3,491.64 = 1,545 : x
  2. Step 2: Convert to fraction form
    2,326.92/3,491.64 = 1,545/x
  3. Step 3: Cross multiply
    2,326.92x = 3,491.64 × 1,545
  4. Step 4: Simplify right side
    2,326.92x = 5,394,583.80
  5. Step 5: Solve for x
    x = 5,394,583.80/2,326.92
  6. Step 6: Final answer
    x = 2,318.34

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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.