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Finding the Fourth Proportional to 8,980.56, 13,469.04 and 2,406.24

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Solution

The fourth proportional to 8,980.56, 13,469.04 and 2,406.24 is: 3,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.56 : 13,469.04 = 2,406.24 : x
  2. Step 2: Convert to fraction form
    8,980.56/13,469.04 = 2,406.24/x
  3. Step 3: Cross multiply
    8,980.56x = 13,469.04 × 2,406.24
  4. Step 4: Simplify right side
    8,980.56x = 32,409,742.81
  5. Step 5: Solve for x
    x = 32,409,742.81/8,980.56
  6. Step 6: Final answer
    x = 3,608.88

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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.