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Finding the Fourth Proportional to 7,905.79, 10,910.00 and 4,369.00

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Solution

The fourth proportional to 7,905.79, 10,910.00 and 4,369.00 is: 6,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.79 : 10,910.00 = 4,369.00 : x
  2. Step 2: Convert to fraction form
    7,905.79/10,910.00 = 4,369.00/x
  3. Step 3: Cross multiply
    7,905.79x = 10,910.00 × 4,369.00
  4. Step 4: Simplify right side
    7,905.79x = 47,665,814.56
  5. Step 5: Solve for x
    x = 47,665,814.56/7,905.79
  6. Step 6: Final answer
    x = 6,029.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.