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Finding the Fourth Proportional to 12,317.18, 16,996.91 and 7,011.95

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Solution

The fourth proportional to 12,317.18, 16,996.91 and 7,011.95 is: 9,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.18 : 16,996.91 = 7,011.95 : x
  2. Step 2: Convert to fraction form
    12,317.18/16,996.91 = 7,011.95/x
  3. Step 3: Cross multiply
    12,317.18x = 16,996.91 × 7,011.95
  4. Step 4: Simplify right side
    12,317.18x = 119,181,363.03
  5. Step 5: Solve for x
    x = 119,181,363.03/12,317.18
  6. Step 6: Final answer
    x = 9,676.03

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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.