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Finding the Fourth Proportional to 3,292.68, 4,939.56 and 1,537.68

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Solution

The fourth proportional to 3,292.68, 4,939.56 and 1,537.68 is: 2,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.68 : 4,939.56 = 1,537.68 : x
  2. Step 2: Convert to fraction form
    3,292.68/4,939.56 = 1,537.68/x
  3. Step 3: Cross multiply
    3,292.68x = 4,939.56 × 1,537.68
  4. Step 4: Simplify right side
    3,292.68x = 7,595,462.62
  5. Step 5: Solve for x
    x = 7,595,462.62/3,292.68
  6. Step 6: Final answer
    x = 2,306.77

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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.