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Finding the Fourth Proportional to 27,203.18, 40,799.97 and 7,476.98

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Solution

The fourth proportional to 27,203.18, 40,799.97 and 7,476.98 is: 11,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.18 : 40,799.97 = 7,476.98 : x
  2. Step 2: Convert to fraction form
    27,203.18/40,799.97 = 7,476.98/x
  3. Step 3: Cross multiply
    27,203.18x = 40,799.97 × 7,476.98
  4. Step 4: Simplify right side
    27,203.18x = 305,060,355.69
  5. Step 5: Solve for x
    x = 305,060,355.69/27,203.18
  6. Step 6: Final answer
    x = 11,214.15

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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.