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Finding the Fourth Proportional to 6,407.99, 9,606.26 and 3,448.01

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Solution

The fourth proportional to 6,407.99, 9,606.26 and 3,448.01 is: 5,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.99 : 9,606.26 = 3,448.01 : x
  2. Step 2: Convert to fraction form
    6,407.99/9,606.26 = 3,448.01/x
  3. Step 3: Cross multiply
    6,407.99x = 9,606.26 × 3,448.01
  4. Step 4: Simplify right side
    6,407.99x = 33,122,513.18
  5. Step 5: Solve for x
    x = 33,122,513.18/6,407.99
  6. Step 6: Final answer
    x = 5,168.94

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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.