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Finding the Fourth Proportional to 5,288.99, 7,933.52 and 2,515.93

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Solution

The fourth proportional to 5,288.99, 7,933.52 and 2,515.93 is: 3,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.99 : 7,933.52 = 2,515.93 : x
  2. Step 2: Convert to fraction form
    5,288.99/7,933.52 = 2,515.93/x
  3. Step 3: Cross multiply
    5,288.99x = 7,933.52 × 2,515.93
  4. Step 4: Simplify right side
    5,288.99x = 19,960,167.43
  5. Step 5: Solve for x
    x = 19,960,167.43/5,288.99
  6. Step 6: Final answer
    x = 3,773.91

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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.