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Finding the Fourth Proportional to 9,321.04, 13,973.24 and 3,477.92

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Solution

The fourth proportional to 9,321.04, 13,973.24 and 3,477.92 is: 5,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.04 : 13,973.24 = 3,477.92 : x
  2. Step 2: Convert to fraction form
    9,321.04/13,973.24 = 3,477.92/x
  3. Step 3: Cross multiply
    9,321.04x = 13,973.24 × 3,477.92
  4. Step 4: Simplify right side
    9,321.04x = 48,597,810.86
  5. Step 5: Solve for x
    x = 48,597,810.86/9,321.04
  6. Step 6: Final answer
    x = 5,213.78

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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.