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Finding the Fourth Proportional to 6,607.92, 9,908.74 and 3,835.44

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Solution

The fourth proportional to 6,607.92, 9,908.74 and 3,835.44 is: 5,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.92 : 9,908.74 = 3,835.44 : x
  2. Step 2: Convert to fraction form
    6,607.92/9,908.74 = 3,835.44/x
  3. Step 3: Cross multiply
    6,607.92x = 9,908.74 × 3,835.44
  4. Step 4: Simplify right side
    6,607.92x = 38,004,368.16
  5. Step 5: Solve for x
    x = 38,004,368.16/6,607.92
  6. Step 6: Final answer
    x = 5,751.34

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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.