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Finding the Fourth Proportional to 35,747.99, 49,325.11 and 21,600.87

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Solution

The fourth proportional to 35,747.99, 49,325.11 and 21,600.87 is: 29,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.99 : 49,325.11 = 21,600.87 : x
  2. Step 2: Convert to fraction form
    35,747.99/49,325.11 = 21,600.87/x
  3. Step 3: Cross multiply
    35,747.99x = 49,325.11 × 21,600.87
  4. Step 4: Simplify right side
    35,747.99x = 1,065,465,288.85
  5. Step 5: Solve for x
    x = 1,065,465,288.85/35,747.99
  6. Step 6: Final answer
    x = 29,804.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.