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Finding the Fourth Proportional to 25,993.96, 35,871.68 and 14,057.28

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Solution

The fourth proportional to 25,993.96, 35,871.68 and 14,057.28 is: 19,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.96 : 35,871.68 = 14,057.28 : x
  2. Step 2: Convert to fraction form
    25,993.96/35,871.68 = 14,057.28/x
  3. Step 3: Cross multiply
    25,993.96x = 35,871.68 × 14,057.28
  4. Step 4: Simplify right side
    25,993.96x = 504,258,284.97
  5. Step 5: Solve for x
    x = 504,258,284.97/25,993.96
  6. Step 6: Final answer
    x = 19,399.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.