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Finding the Fourth Proportional to 5,705.54, 7,913.92 and 5,553.81

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Solution

The fourth proportional to 5,705.54, 7,913.92 and 5,553.81 is: 7,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.54 : 7,913.92 = 5,553.81 : x
  2. Step 2: Convert to fraction form
    5,705.54/7,913.92 = 5,553.81/x
  3. Step 3: Cross multiply
    5,705.54x = 7,913.92 × 5,553.81
  4. Step 4: Simplify right side
    5,705.54x = 43,952,408.04
  5. Step 5: Solve for x
    x = 43,952,408.04/5,705.54
  6. Step 6: Final answer
    x = 7,703.46

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.