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Finding the Fourth Proportional to 5,938.48, 8,901.85 and 2,812.99

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Solution

The fourth proportional to 5,938.48, 8,901.85 and 2,812.99 is: 4,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.48 : 8,901.85 = 2,812.99 : x
  2. Step 2: Convert to fraction form
    5,938.48/8,901.85 = 2,812.99/x
  3. Step 3: Cross multiply
    5,938.48x = 8,901.85 × 2,812.99
  4. Step 4: Simplify right side
    5,938.48x = 25,040,815.03
  5. Step 5: Solve for x
    x = 25,040,815.03/5,938.48
  6. Step 6: Final answer
    x = 4,216.70

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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.