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Finding the Fourth Proportional to 6,400.94, 9,597.28 and 4,203

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Solution

The fourth proportional to 6,400.94, 9,597.28 and 4,203 is: 6,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.94 : 9,597.28 = 4,203 : x
  2. Step 2: Convert to fraction form
    6,400.94/9,597.28 = 4,203/x
  3. Step 3: Cross multiply
    6,400.94x = 9,597.28 × 4,203
  4. Step 4: Simplify right side
    6,400.94x = 40,337,367.84
  5. Step 5: Solve for x
    x = 40,337,367.84/6,400.94
  6. Step 6: Final answer
    x = 6,301.79

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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.