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Finding the Fourth Proportional to 7,008.82, 9,671.68 and 3,864.94

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Solution

The fourth proportional to 7,008.82, 9,671.68 and 3,864.94 is: 5,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.82 : 9,671.68 = 3,864.94 : x
  2. Step 2: Convert to fraction form
    7,008.82/9,671.68 = 3,864.94/x
  3. Step 3: Cross multiply
    7,008.82x = 9,671.68 × 3,864.94
  4. Step 4: Simplify right side
    7,008.82x = 37,380,443.57
  5. Step 5: Solve for x
    x = 37,380,443.57/7,008.82
  6. Step 6: Final answer
    x = 5,333.34

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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.