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Finding the Fourth Proportional to 25,980.01, 38,913.62 and 15,954.33

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Solution

The fourth proportional to 25,980.01, 38,913.62 and 15,954.33 is: 23,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.01 : 38,913.62 = 15,954.33 : x
  2. Step 2: Convert to fraction form
    25,980.01/38,913.62 = 15,954.33/x
  3. Step 3: Cross multiply
    25,980.01x = 38,913.62 × 15,954.33
  4. Step 4: Simplify right side
    25,980.01x = 620,840,734.97
  5. Step 5: Solve for x
    x = 620,840,734.97/25,980.01
  6. Step 6: Final answer
    x = 23,896.86

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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.