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Finding the Fourth Proportional to 16,860.00, 25,268.81 and 7,975.31

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Solution

The fourth proportional to 16,860.00, 25,268.81 and 7,975.31 is: 11,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.00 : 25,268.81 = 7,975.31 : x
  2. Step 2: Convert to fraction form
    16,860.00/25,268.81 = 7,975.31/x
  3. Step 3: Cross multiply
    16,860.00x = 25,268.81 × 7,975.31
  4. Step 4: Simplify right side
    16,860.00x = 201,526,613.86
  5. Step 5: Solve for x
    x = 201,526,613.86/16,860.00
  6. Step 6: Final answer
    x = 11,952.94

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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.