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Finding the Fourth Proportional to 5,588.84, 7,713.30 and 3,230.97

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Solution

The fourth proportional to 5,588.84, 7,713.30 and 3,230.97 is: 4,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.84 : 7,713.30 = 3,230.97 : x
  2. Step 2: Convert to fraction form
    5,588.84/7,713.30 = 3,230.97/x
  3. Step 3: Cross multiply
    5,588.84x = 7,713.30 × 3,230.97
  4. Step 4: Simplify right side
    5,588.84x = 24,921,440.90
  5. Step 5: Solve for x
    x = 24,921,440.90/5,588.84
  6. Step 6: Final answer
    x = 4,459.15

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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.