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Finding the Fourth Proportional to 2,933.99, 4,390.49 and 2,548.53

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Solution

The fourth proportional to 2,933.99, 4,390.49 and 2,548.53 is: 3,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.99 : 4,390.49 = 2,548.53 : x
  2. Step 2: Convert to fraction form
    2,933.99/4,390.49 = 2,548.53/x
  3. Step 3: Cross multiply
    2,933.99x = 4,390.49 × 2,548.53
  4. Step 4: Simplify right side
    2,933.99x = 11,189,295.48
  5. Step 5: Solve for x
    x = 11,189,295.48/2,933.99
  6. Step 6: Final answer
    x = 3,813.69

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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.