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Finding the Fourth Proportional to 8,797.16, 13,198.44 and 2,953.28

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Solution

The fourth proportional to 8,797.16, 13,198.44 and 2,953.28 is: 4,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.16 : 13,198.44 = 2,953.28 : x
  2. Step 2: Convert to fraction form
    8,797.16/13,198.44 = 2,953.28/x
  3. Step 3: Cross multiply
    8,797.16x = 13,198.44 × 2,953.28
  4. Step 4: Simplify right side
    8,797.16x = 38,978,622.89
  5. Step 5: Solve for x
    x = 38,978,622.89/8,797.16
  6. Step 6: Final answer
    x = 4,430.82

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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.