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Finding the Fourth Proportional to 25,806.98, 35,611.59 and 14,474.96

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Solution

The fourth proportional to 25,806.98, 35,611.59 and 14,474.96 is: 19,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.98 : 35,611.59 = 14,474.96 : x
  2. Step 2: Convert to fraction form
    25,806.98/35,611.59 = 14,474.96/x
  3. Step 3: Cross multiply
    25,806.98x = 35,611.59 × 14,474.96
  4. Step 4: Simplify right side
    25,806.98x = 515,476,340.79
  5. Step 5: Solve for x
    x = 515,476,340.79/25,806.98
  6. Step 6: Final answer
    x = 19,974.30

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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.