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Finding the Fourth Proportional to 25,881.93, 35,725.86 and 17,934.62

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Solution

The fourth proportional to 25,881.93, 35,725.86 and 17,934.62 is: 24,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.93 : 35,725.86 = 17,934.62 : x
  2. Step 2: Convert to fraction form
    25,881.93/35,725.86 = 17,934.62/x
  3. Step 3: Cross multiply
    25,881.93x = 35,725.86 × 17,934.62
  4. Step 4: Simplify right side
    25,881.93x = 640,729,544.64
  5. Step 5: Solve for x
    x = 640,729,544.64/25,881.93
  6. Step 6: Final answer
    x = 24,755.86

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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.