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Finding the Fourth Proportional to 12,632.64, 18,949.08 and 5,699.04

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Solution

The fourth proportional to 12,632.64, 18,949.08 and 5,699.04 is: 8,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.64 : 18,949.08 = 5,699.04 : x
  2. Step 2: Convert to fraction form
    12,632.64/18,949.08 = 5,699.04/x
  3. Step 3: Cross multiply
    12,632.64x = 18,949.08 × 5,699.04
  4. Step 4: Simplify right side
    12,632.64x = 107,991,564.88
  5. Step 5: Solve for x
    x = 107,991,564.88/12,632.64
  6. Step 6: Final answer
    x = 8,548.61

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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.