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Finding the Fourth Proportional to 12,459.97, 17,185 and 7,984.14

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Solution

The fourth proportional to 12,459.97, 17,185 and 7,984.14 is: 11,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.97 : 17,185 = 7,984.14 : x
  2. Step 2: Convert to fraction form
    12,459.97/17,185 = 7,984.14/x
  3. Step 3: Cross multiply
    12,459.97x = 17,185 × 7,984.14
  4. Step 4: Simplify right side
    12,459.97x = 137,207,445.90
  5. Step 5: Solve for x
    x = 137,207,445.90/12,459.97
  6. Step 6: Final answer
    x = 11,011.86

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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.