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Finding the Fourth Proportional to 7,084.05, 9,771.48 and 5,591.49

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Solution

The fourth proportional to 7,084.05, 9,771.48 and 5,591.49 is: 7,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.05 : 9,771.48 = 5,591.49 : x
  2. Step 2: Convert to fraction form
    7,084.05/9,771.48 = 5,591.49/x
  3. Step 3: Cross multiply
    7,084.05x = 9,771.48 × 5,591.49
  4. Step 4: Simplify right side
    7,084.05x = 54,637,132.71
  5. Step 5: Solve for x
    x = 54,637,132.71/7,084.05
  6. Step 6: Final answer
    x = 7,712.70

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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.