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Finding the Fourth Proportional to 27,865.99, 41,797.90 and 7,090.03

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Solution

The fourth proportional to 27,865.99, 41,797.90 and 7,090.03 is: 10,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.99 : 41,797.90 = 7,090.03 : x
  2. Step 2: Convert to fraction form
    27,865.99/41,797.90 = 7,090.03/x
  3. Step 3: Cross multiply
    27,865.99x = 41,797.90 × 7,090.03
  4. Step 4: Simplify right side
    27,865.99x = 296,348,364.94
  5. Step 5: Solve for x
    x = 296,348,364.94/27,865.99
  6. Step 6: Final answer
    x = 10,634.77

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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.