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Finding the Fourth Proportional to 4,855.77, 7,269.81 and 3,292.41

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Solution

The fourth proportional to 4,855.77, 7,269.81 and 3,292.41 is: 4,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.77 : 7,269.81 = 3,292.41 : x
  2. Step 2: Convert to fraction form
    4,855.77/7,269.81 = 3,292.41/x
  3. Step 3: Cross multiply
    4,855.77x = 7,269.81 × 3,292.41
  4. Step 4: Simplify right side
    4,855.77x = 23,935,155.53
  5. Step 5: Solve for x
    x = 23,935,155.53/4,855.77
  6. Step 6: Final answer
    x = 4,929.22

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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.