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Finding the Fourth Proportional to 5,265.88, 7,900.31 and 1,933.81

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Solution

The fourth proportional to 5,265.88, 7,900.31 and 1,933.81 is: 2,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.88 : 7,900.31 = 1,933.81 : x
  2. Step 2: Convert to fraction form
    5,265.88/7,900.31 = 1,933.81/x
  3. Step 3: Cross multiply
    5,265.88x = 7,900.31 × 1,933.81
  4. Step 4: Simplify right side
    5,265.88x = 15,277,698.48
  5. Step 5: Solve for x
    x = 15,277,698.48/5,265.88
  6. Step 6: Final answer
    x = 2,901.26

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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.