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Finding the Fourth Proportional to 35,168.96, 52,739.80 and 12,673.64

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Solution

The fourth proportional to 35,168.96, 52,739.80 and 12,673.64 is: 19,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,168.96 : 52,739.80 = 12,673.64 : x
  2. Step 2: Convert to fraction form
    35,168.96/52,739.80 = 12,673.64/x
  3. Step 3: Cross multiply
    35,168.96x = 52,739.80 × 12,673.64
  4. Step 4: Simplify right side
    35,168.96x = 668,405,238.87
  5. Step 5: Solve for x
    x = 668,405,238.87/35,168.96
  6. Step 6: Final answer
    x = 19,005.54

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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.