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Finding the Fourth Proportional to 6,564.01, 9,822.90 and 4,099.99

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Solution

The fourth proportional to 6,564.01, 9,822.90 and 4,099.99 is: 6,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564.01 : 9,822.90 = 4,099.99 : x
  2. Step 2: Convert to fraction form
    6,564.01/9,822.90 = 4,099.99/x
  3. Step 3: Cross multiply
    6,564.01x = 9,822.90 × 4,099.99
  4. Step 4: Simplify right side
    6,564.01x = 40,273,791.77
  5. Step 5: Solve for x
    x = 40,273,791.77/6,564.01
  6. Step 6: Final answer
    x = 6,135.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.