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Finding the Fourth Proportional to 4,836.62, 7,254.68 and 1,326.57

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Solution

The fourth proportional to 4,836.62, 7,254.68 and 1,326.57 is: 1,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.62 : 7,254.68 = 1,326.57 : x
  2. Step 2: Convert to fraction form
    4,836.62/7,254.68 = 1,326.57/x
  3. Step 3: Cross multiply
    4,836.62x = 7,254.68 × 1,326.57
  4. Step 4: Simplify right side
    4,836.62x = 9,623,834.88
  5. Step 5: Solve for x
    x = 9,623,834.88/4,836.62
  6. Step 6: Final answer
    x = 1,989.79

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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.