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Finding the Fourth Proportional to 25,896.93, 38,847.63 and 7,176.99

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Solution

The fourth proportional to 25,896.93, 38,847.63 and 7,176.99 is: 10,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.93 : 38,847.63 = 7,176.99 : x
  2. Step 2: Convert to fraction form
    25,896.93/38,847.63 = 7,176.99/x
  3. Step 3: Cross multiply
    25,896.93x = 38,847.63 × 7,176.99
  4. Step 4: Simplify right side
    25,896.93x = 278,809,052.03
  5. Step 5: Solve for x
    x = 278,809,052.03/25,896.93
  6. Step 6: Final answer
    x = 10,766.10

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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.