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Finding the Fourth Proportional to 11,885.58, 16,402.23 and 6,580.49

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Solution

The fourth proportional to 11,885.58, 16,402.23 and 6,580.49 is: 9,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.58 : 16,402.23 = 6,580.49 : x
  2. Step 2: Convert to fraction form
    11,885.58/16,402.23 = 6,580.49/x
  3. Step 3: Cross multiply
    11,885.58x = 16,402.23 × 6,580.49
  4. Step 4: Simplify right side
    11,885.58x = 107,934,628.48
  5. Step 5: Solve for x
    x = 107,934,628.48/11,885.58
  6. Step 6: Final answer
    x = 9,081.14

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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.