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Finding the Fourth Proportional to 7,603.97, 11,400.08 and 4,824.86

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Solution

The fourth proportional to 7,603.97, 11,400.08 and 4,824.86 is: 7,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.97 : 11,400.08 = 4,824.86 : x
  2. Step 2: Convert to fraction form
    7,603.97/11,400.08 = 4,824.86/x
  3. Step 3: Cross multiply
    7,603.97x = 11,400.08 × 4,824.86
  4. Step 4: Simplify right side
    7,603.97x = 55,003,708.86
  5. Step 5: Solve for x
    x = 55,003,708.86/7,603.97
  6. Step 6: Final answer
    x = 7,233.56

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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.