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Finding the Fourth Proportional to 5,603.16, 7,734.06 and 3,245.88

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Solution

The fourth proportional to 5,603.16, 7,734.06 and 3,245.88 is: 4,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.16 : 7,734.06 = 3,245.88 : x
  2. Step 2: Convert to fraction form
    5,603.16/7,734.06 = 3,245.88/x
  3. Step 3: Cross multiply
    5,603.16x = 7,734.06 × 3,245.88
  4. Step 4: Simplify right side
    5,603.16x = 25,103,830.67
  5. Step 5: Solve for x
    x = 25,103,830.67/5,603.16
  6. Step 6: Final answer
    x = 4,480.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.