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Finding the Fourth Proportional to 10,326.67, 15,491.03 and 3,304.92

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Solution

The fourth proportional to 10,326.67, 15,491.03 and 3,304.92 is: 4,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.67 : 15,491.03 = 3,304.92 : x
  2. Step 2: Convert to fraction form
    10,326.67/15,491.03 = 3,304.92/x
  3. Step 3: Cross multiply
    10,326.67x = 15,491.03 × 3,304.92
  4. Step 4: Simplify right side
    10,326.67x = 51,196,569.30
  5. Step 5: Solve for x
    x = 51,196,569.30/10,326.67
  6. Step 6: Final answer
    x = 4,957.70

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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.