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Finding the Fourth Proportional to 12,404.97, 17,119.16 and 7,101.49

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Solution

The fourth proportional to 12,404.97, 17,119.16 and 7,101.49 is: 9,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.97 : 17,119.16 = 7,101.49 : x
  2. Step 2: Convert to fraction form
    12,404.97/17,119.16 = 7,101.49/x
  3. Step 3: Cross multiply
    12,404.97x = 17,119.16 × 7,101.49
  4. Step 4: Simplify right side
    12,404.97x = 121,571,543.55
  5. Step 5: Solve for x
    x = 121,571,543.55/12,404.97
  6. Step 6: Final answer
    x = 9,800.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.