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Finding the Fourth Proportional to 11,615.00, 17,422.29 and 2,849.99

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Solution

The fourth proportional to 11,615.00, 17,422.29 and 2,849.99 is: 4,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.00 : 17,422.29 = 2,849.99 : x
  2. Step 2: Convert to fraction form
    11,615.00/17,422.29 = 2,849.99/x
  3. Step 3: Cross multiply
    11,615.00x = 17,422.29 × 2,849.99
  4. Step 4: Simplify right side
    11,615.00x = 49,653,265.17
  5. Step 5: Solve for x
    x = 49,653,265.17/11,615.00
  6. Step 6: Final answer
    x = 4,274.93

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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.