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Finding the Fourth Proportional to 25,571, 35,304.14 and 19,591.56

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Solution

The fourth proportional to 25,571, 35,304.14 and 19,591.56 is: 27,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571 : 35,304.14 = 19,591.56 : x
  2. Step 2: Convert to fraction form
    25,571/35,304.14 = 19,591.56/x
  3. Step 3: Cross multiply
    25,571x = 35,304.14 × 19,591.56
  4. Step 4: Simplify right side
    25,571x = 691,663,177.06
  5. Step 5: Solve for x
    x = 691,663,177.06/25,571
  6. Step 6: Final answer
    x = 27,048.73

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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.