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Finding the Fourth Proportional to 25,806.87, 38,710.22 and 17,039.70

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Solution

The fourth proportional to 25,806.87, 38,710.22 and 17,039.70 is: 25,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.87 : 38,710.22 = 17,039.70 : x
  2. Step 2: Convert to fraction form
    25,806.87/38,710.22 = 17,039.70/x
  3. Step 3: Cross multiply
    25,806.87x = 38,710.22 × 17,039.70
  4. Step 4: Simplify right side
    25,806.87x = 659,610,450.54
  5. Step 5: Solve for x
    x = 659,610,450.54/25,806.87
  6. Step 6: Final answer
    x = 25,559.49

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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.