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Finding the Fourth Proportional to 7,011.67, 9,676.35 and 4,028.05

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Solution

The fourth proportional to 7,011.67, 9,676.35 and 4,028.05 is: 5,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.67 : 9,676.35 = 4,028.05 : x
  2. Step 2: Convert to fraction form
    7,011.67/9,676.35 = 4,028.05/x
  3. Step 3: Cross multiply
    7,011.67x = 9,676.35 × 4,028.05
  4. Step 4: Simplify right side
    7,011.67x = 38,976,821.62
  5. Step 5: Solve for x
    x = 38,976,821.62/7,011.67
  6. Step 6: Final answer
    x = 5,558.85

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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.