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Finding the Fourth Proportional to 7,906.48, 10,910.82 and 4,369.72

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Solution

The fourth proportional to 7,906.48, 10,910.82 and 4,369.72 is: 6,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.48 : 10,910.82 = 4,369.72 : x
  2. Step 2: Convert to fraction form
    7,906.48/10,910.82 = 4,369.72/x
  3. Step 3: Cross multiply
    7,906.48x = 10,910.82 × 4,369.72
  4. Step 4: Simplify right side
    7,906.48x = 47,677,228.37
  5. Step 5: Solve for x
    x = 47,677,228.37/7,906.48
  6. Step 6: Final answer
    x = 6,030.15

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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.