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Finding the Fourth Proportional to 35,480.27, 53,241.02 and 13,309.09

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Solution

The fourth proportional to 35,480.27, 53,241.02 and 13,309.09 is: 19,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.27 : 53,241.02 = 13,309.09 : x
  2. Step 2: Convert to fraction form
    35,480.27/53,241.02 = 13,309.09/x
  3. Step 3: Cross multiply
    35,480.27x = 53,241.02 × 13,309.09
  4. Step 4: Simplify right side
    35,480.27x = 708,589,526.87
  5. Step 5: Solve for x
    x = 708,589,526.87/35,480.27
  6. Step 6: Final answer
    x = 19,971.37

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1.5x scale

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.